{"id":1423889,"date":"2021-04-09T16:31:07","date_gmt":"2021-04-09T15:31:07","guid":{"rendered":"https:\/\/www.jacksonsart.com\/blog\/?p=1423889"},"modified":"2026-04-21T11:42:41","modified_gmt":"2026-04-21T10:42:41","slug":"a-guide-to-watercolour-mediums","status":"publish","type":"post","link":"https:\/\/www.jacksonsart.com\/blog\/2021\/04\/09\/a-guide-to-watercolour-mediums\/","title":{"rendered":"Your Comprehensive Guide To Watercolour Mediums"},"content":{"rendered":"<p>One of the great advantages of watercolour is its simplicity. All you need to start painting is water, a brush, and some pans or tubes of colour. But what if you want to take watercolour a little further? Watercolour mediums can help you control how watercolour paint behaves &#8211; including its texture, how it flows, how it lifts from the paper, and how fast it dries. In this article I look at some of the many watercolour mediums available, and explore how they could be used in watercolour painting. <\/p>\n<hr>\n<h2 style=\"font-size: 22px;\">Your Comprehensive Guide To Watercolour Mediums<\/h2>\n<p>I have used two blue watercolours <a href=\"https:\/\/www.jacksonsart.com\/jackson-s-artist-watercolour-paint-10ml-phthalocyanine-blue\" rel=\"noopener\" target=\"_blank\">Phthalo Blue<\/a> and <a href=\"https:\/\/www.jacksonsart.com\/jackson-s-artist-watercolour-paint-10ml-cerulean-blue\" rel=\"noopener\" target=\"_blank\">Cerulean Blue<\/a>. I chose these because they represent two very different pigment characteristics. Phthalo Blue (PB15) is staining and doesn\u2019t granulate, while Cerulean Blue (PB35) doesn&#8217;t stain is highly granulating. The paper used throughout is <a href=\"https:\/\/www.jacksonsart.com\/jackson-s-watercolour-paper-300gsm-185421\" rel=\"noopener\" target=\"_blank\">Jackson\u2019s Watercolour Paper<\/a>, cold pressed. <\/p>\n<h2>Adding Texture<\/h2>\n<p>Naturally granulating watercolours, like Ultramarine Blue, Viridian Green, and certain earth pigments, have large pigment particles which separate and settle into the paper, creating a textural effect. Texture mediums are designed to add or enhance the texture of watercolour, and I wanted to see if they could be used to mimic the effect of granulation in pigments which are not naturally granulating. Here I tried them with Phthalo Blue: <\/p>\n<figure id=\"attachment_1423897\" aria-describedby=\"caption-attachment-1423897\" style=\"width: 2375px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/70D98BFC-6CD9-48CE-9A6F-A17429505070_1_201_a.jpeg\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/70D98BFC-6CD9-48CE-9A6F-A17429505070_1_201_a.jpeg\" alt=\"Watercolour mediums\" width=\"2375\" height=\"1702\" class=\"size-full wp-image-1423897\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/70D98BFC-6CD9-48CE-9A6F-A17429505070_1_201_a.jpeg 2375w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/70D98BFC-6CD9-48CE-9A6F-A17429505070_1_201_a-300x215.jpeg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/70D98BFC-6CD9-48CE-9A6F-A17429505070_1_201_a-1024x734.jpeg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/70D98BFC-6CD9-48CE-9A6F-A17429505070_1_201_a-768x550.jpeg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/70D98BFC-6CD9-48CE-9A6F-A17429505070_1_201_a-1536x1101.jpeg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/70D98BFC-6CD9-48CE-9A6F-A17429505070_1_201_a-2048x1468.jpeg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/70D98BFC-6CD9-48CE-9A6F-A17429505070_1_201_a-620x444.jpeg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/70D98BFC-6CD9-48CE-9A6F-A17429505070_1_201_a-940x674.jpeg 940w\" sizes=\"(max-width: 2375px) 100vw, 2375px\" \/><\/a><figcaption id=\"caption-attachment-1423897\" class=\"wp-caption-text\"><strong>Top to Bottom:<\/strong><br \/>Phthalo Blue wash with water and no medium<br \/>Phthalo Blue wash diluted with <a href=\"https:\/\/www.jacksonsart.com\/winsor-newton-watercolour-medium-75ml-granulation-medium\" rel=\"noopener\" target=\"_blank\">Winsor and Newton Granulation Medium<\/a><br \/>Phthalo Blue wash sprayed with <a href=\"https:\/\/www.jacksonsart.com\/schmincke-aqua-watercolour-effect-spray-medium-100ml-uk-only\" rel=\"noopener\" target=\"_blank\">Schmincke Aqua Watercolour Effect Spray<\/a><\/figcaption><\/figure>\n<figure id=\"attachment_1423899\" aria-describedby=\"caption-attachment-1423899\" style=\"width: 2367px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/48F06F81-A39C-4F9D-B22B-550DE063761A.jpeg\"><img decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/48F06F81-A39C-4F9D-B22B-550DE063761A.jpeg\" alt=\"\" width=\"2367\" height=\"1693\" class=\"size-full wp-image-1423899\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/48F06F81-A39C-4F9D-B22B-550DE063761A.jpeg 2367w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/48F06F81-A39C-4F9D-B22B-550DE063761A-300x215.jpeg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/48F06F81-A39C-4F9D-B22B-550DE063761A-1024x732.jpeg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/48F06F81-A39C-4F9D-B22B-550DE063761A-768x549.jpeg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/48F06F81-A39C-4F9D-B22B-550DE063761A-1536x1099.jpeg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/48F06F81-A39C-4F9D-B22B-550DE063761A-2048x1465.jpeg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/48F06F81-A39C-4F9D-B22B-550DE063761A-620x443.jpeg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/48F06F81-A39C-4F9D-B22B-550DE063761A-940x672.jpeg 940w\" sizes=\"(max-width: 2367px) 100vw, 2367px\" \/><\/a><figcaption id=\"caption-attachment-1423899\" class=\"wp-caption-text\"><strong>Top to Bottom:<\/strong><br \/>Phthalo Blue wash sprayed with <a href=\"https:\/\/www.jacksonsart.com\/schmincke-aqua-watercolour-granulation-spray-15ml-ship-by-road-only\" rel=\"noopener\" target=\"_blank\">Schmincke Aqua Granulation Spray<\/a><br \/>Phthalo Blue wash diluted with <a href=\"https:\/\/www.jacksonsart.com\/winsor-newton-watercolour-medium-75ml-texture-medium\" rel=\"noopener\" target=\"_blank\">Winsor and Newton Texture Medium<\/a><br \/>Phthalo Blue wash sprinkled with salt<\/figcaption><\/figure>\n<p>Sprinkling salt onto wet watercolour and brushing it off when the paint is dry is a popular way to add texture to watercolour, and with the Phthalo Blue it seemed to be the most effective in mimicking granulation. The other mediums created some textural effects that could be interesting and useful in their own right. Schmincke Aqua Granulation spray is particularly dramatic.  <\/p>\n<p>I found that the texture mediums works nicely with Cerulean Blue, a pigment that already granulates. It enhances the natural textural quality of the paint: <\/p>\n<figure id=\"attachment_1423890\" aria-describedby=\"caption-attachment-1423890\" style=\"width: 2379px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON083.jpg\"><img decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON083.jpg\" alt=\"\" width=\"2379\" height=\"1705\" class=\"size-full wp-image-1423890\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON083.jpg 2379w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON083-300x215.jpg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON083-1024x734.jpg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON083-768x550.jpg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON083-1536x1101.jpg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON083-2048x1468.jpg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON083-620x444.jpg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON083-940x674.jpg 940w\" sizes=\"(max-width: 2379px) 100vw, 2379px\" \/><\/a><figcaption id=\"caption-attachment-1423890\" class=\"wp-caption-text\"><strong>Top to Bottom:<\/strong><br \/>Cerulean Blue wash with water and no medium<br \/>Cerulean Blue wash diluted with <a href=\"https:\/\/www.jacksonsart.com\/winsor-newton-watercolour-medium-75ml-granulation-medium\" rel=\"noopener\" target=\"_blank\">Winsor and Newton Granulation Medium<\/a><br \/>Cerulean Blue wash sprayed with <a href=\"https:\/\/www.jacksonsart.com\/schmincke-aqua-watercolour-effect-spray-medium-100ml-uk-only\" rel=\"noopener\" target=\"_blank\">Schmincke Aqua Watercolour Effect Spray<\/a><\/figcaption><\/figure>\n<figure id=\"attachment_1423894\" aria-describedby=\"caption-attachment-1423894\" style=\"width: 2364px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON084.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON084.jpg\" alt=\"\" width=\"2364\" height=\"1689\" class=\"size-full wp-image-1423894\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON084.jpg 2364w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON084-300x214.jpg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON084-1024x732.jpg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON084-768x549.jpg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON084-1536x1097.jpg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON084-2048x1463.jpg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON084-620x443.jpg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON084-100x70.jpg 100w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/EPSON084-940x672.jpg 940w\" sizes=\"(max-width: 2364px) 100vw, 2364px\" \/><\/a><figcaption id=\"caption-attachment-1423894\" class=\"wp-caption-text\"><strong>Top to Bottom:<\/strong><br \/>Cerulean Blue wash sprayed with <a href=\"https:\/\/www.jacksonsart.com\/schmincke-aqua-watercolour-granulation-spray-15ml-ship-by-road-only\" rel=\"noopener\" target=\"_blank\">Schmincke Aqua Granulation Spray<\/a><br \/>Cerulean Blue wash diluted with <a href=\"https:\/\/www.jacksonsart.com\/winsor-newton-watercolour-medium-75ml-texture-medium\" rel=\"noopener\" target=\"_blank\">Winsor and Newton Texture Medium<\/a><br \/>Cerulean Blue wash sprinkled with salt<\/figcaption><\/figure>\n<h2>Creating Impasto Effects<\/h2>\n<p>Impasto (or the technique of applying paint thickly) is not usually associated with watercolour. Neat watercolour is brittle and prone to cracking if it is applied undiluted in a thick layer, but modelling paste can add another textural dimension to watercolour painting. Modelling paste can be applied under the paint to prepare an impasto ground, or mixed directly with the paint. When mixed with watercolour, it tints it white and increases its opacity, creating a gouache-like effect. <\/p>\n<figure id=\"attachment_1423898\" aria-describedby=\"caption-attachment-1423898\" style=\"width: 2371px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/31D4593F-F776-4EDD-BCDF-08AABB718E50_1_201_a.jpeg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/31D4593F-F776-4EDD-BCDF-08AABB718E50_1_201_a.jpeg\" alt=\"\" width=\"2371\" height=\"1719\" class=\"size-full wp-image-1423898\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/31D4593F-F776-4EDD-BCDF-08AABB718E50_1_201_a.jpeg 2371w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/31D4593F-F776-4EDD-BCDF-08AABB718E50_1_201_a-300x218.jpeg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/31D4593F-F776-4EDD-BCDF-08AABB718E50_1_201_a-1024x742.jpeg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/31D4593F-F776-4EDD-BCDF-08AABB718E50_1_201_a-768x557.jpeg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/31D4593F-F776-4EDD-BCDF-08AABB718E50_1_201_a-1536x1114.jpeg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/31D4593F-F776-4EDD-BCDF-08AABB718E50_1_201_a-2048x1485.jpeg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/31D4593F-F776-4EDD-BCDF-08AABB718E50_1_201_a-620x450.jpeg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/31D4593F-F776-4EDD-BCDF-08AABB718E50_1_201_a-940x682.jpeg 940w\" sizes=\"(max-width: 2371px) 100vw, 2371px\" \/><\/a><figcaption id=\"caption-attachment-1423898\" class=\"wp-caption-text\"><strong>Top:<\/strong> Phthalo Blue wash on dry <a href=\"https:\/\/www.jacksonsart.com\/schmincke-aqua-watercolour-paint-modelling-paste-fine-125ml\" rel=\"noopener\" target=\"_blank\">Schmincke Aqua Modelling Paste (fine)<\/a>, applied with a palette knife<br \/><strong>Bottom:<\/strong> Phthalo Blue mixed with <a href=\"https:\/\/www.jacksonsart.com\/schmincke-aqua-watercolour-paint-modelling-paste-fine-125ml\" rel=\"noopener\" target=\"_blank\">Schmincke Aqua Modelling Paste (fine)<\/a>, applied with a brush<\/figcaption><\/figure>\n<p>For working on top of an impasto ground, I\u2019d also recommend trying textured watercolour grounds &#8211; take a look at <a href=\"https:\/\/www.jacksonsart.com\/blog\/2020\/02\/18\/watercolour-grounds-painting-with-watercolour-on-canvas\/\" rel=\"noopener\" target=\"_blank\">this post<\/a> to find out more. <\/p>\n<h2>Lifting<\/h2>\n<p>As watercolour remains soluble in water even after it&#8217;s dry, it can be reactivated with a wet brush and lifted from the surface with a rag. It is a great way to bring out highlights or rectify mistakes. Staining pigments, like Phthalo and Quinacridone pigments, penetrate the paper fibres and are difficult to lift, but this can be made easier by applying a lifting preparation to the paper before painting. Non-staining pigments like Cerulean Blue (below right) don&#8217;t need a lifting preparation to lift away cleanly. I found that it didn\u2019t work well with Phthalo Blue (left), but it felt unfair to judge it with such an extremely staining pigment. <\/p>\n<figure id=\"attachment_1423901\" aria-describedby=\"caption-attachment-1423901\" style=\"width: 2363px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/A7BADEEA-6A4A-46DA-861E-4C0AD0C28643_1_201_a.jpeg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/A7BADEEA-6A4A-46DA-861E-4C0AD0C28643_1_201_a.jpeg\" alt=\"\" width=\"2363\" height=\"1695\" class=\"size-full wp-image-1423901\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/A7BADEEA-6A4A-46DA-861E-4C0AD0C28643_1_201_a.jpeg 2363w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/A7BADEEA-6A4A-46DA-861E-4C0AD0C28643_1_201_a-300x215.jpeg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/A7BADEEA-6A4A-46DA-861E-4C0AD0C28643_1_201_a-1024x735.jpeg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/A7BADEEA-6A4A-46DA-861E-4C0AD0C28643_1_201_a-768x551.jpeg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/A7BADEEA-6A4A-46DA-861E-4C0AD0C28643_1_201_a-1536x1102.jpeg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/A7BADEEA-6A4A-46DA-861E-4C0AD0C28643_1_201_a-2048x1469.jpeg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/A7BADEEA-6A4A-46DA-861E-4C0AD0C28643_1_201_a-620x445.jpeg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/A7BADEEA-6A4A-46DA-861E-4C0AD0C28643_1_201_a-940x674.jpeg 940w\" sizes=\"(max-width: 2363px) 100vw, 2363px\" \/><\/a><figcaption id=\"caption-attachment-1423901\" class=\"wp-caption-text\">The top half of the paper has been treated with <a href=\"https:\/\/www.jacksonsart.com\/winsor-newton-watercolour-medium-75ml-lifting-preparation\" rel=\"noopener\" target=\"_blank\">Winsor and Newton Lifting Preparation<\/a>, the bottom half is unprepared. Washes of Phthalo Blue (left) and Cerulean Blue (right) were applied and allowed to dry before lifting.<\/figcaption><\/figure>\n<p>It worked better with Hookers Green and Ultramarine Blue &#8211; two pigments with an average staining ability. <\/p>\n<figure id=\"attachment_1423902\" aria-describedby=\"caption-attachment-1423902\" style=\"width: 2366px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/D4E573F5-418D-4B21-9F47-80F4D67DB1C9_1_201_a.jpeg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/D4E573F5-418D-4B21-9F47-80F4D67DB1C9_1_201_a.jpeg\" alt=\"Watercolour mediums\" width=\"2366\" height=\"1699\" class=\"size-full wp-image-1423902\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/D4E573F5-418D-4B21-9F47-80F4D67DB1C9_1_201_a.jpeg 2366w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/D4E573F5-418D-4B21-9F47-80F4D67DB1C9_1_201_a-300x215.jpeg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/D4E573F5-418D-4B21-9F47-80F4D67DB1C9_1_201_a-1024x735.jpeg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/D4E573F5-418D-4B21-9F47-80F4D67DB1C9_1_201_a-768x551.jpeg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/D4E573F5-418D-4B21-9F47-80F4D67DB1C9_1_201_a-1536x1103.jpeg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/D4E573F5-418D-4B21-9F47-80F4D67DB1C9_1_201_a-2048x1471.jpeg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/D4E573F5-418D-4B21-9F47-80F4D67DB1C9_1_201_a-620x445.jpeg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/D4E573F5-418D-4B21-9F47-80F4D67DB1C9_1_201_a-940x675.jpeg 940w\" sizes=\"(max-width: 2366px) 100vw, 2366px\" \/><\/a><figcaption id=\"caption-attachment-1423902\" class=\"wp-caption-text\">The top half of the paper has been treated with <a href=\"https:\/\/www.jacksonsart.com\/winsor-newton-watercolour-medium-75ml-lifting-preparation\" rel=\"noopener\" target=\"_blank\">Winsor and Newton Lifting Preparation<\/a>, the bottom half is unprepared. Washes of Hooker&#8217;s Green (left) and Ultramarine Blue (right) were applied and allowed to dry before lifting.<\/figcaption><\/figure>\n<h2>Lifting with Gum Arabic Solution<\/h2>\n<p>A wash of diluted gum arabic on paper before painting on it forms a barrier between the pigment and the paper reducing the staining effect of pigment, making them easier to lift.<\/p>\n<figure id=\"attachment_1423903\" aria-describedby=\"caption-attachment-1423903\" style=\"width: 2375px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/956ED908-9C91-430D-8007-B238EE18B4E5_1_201_a.jpeg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/956ED908-9C91-430D-8007-B238EE18B4E5_1_201_a.jpeg\" alt=\"Watercolour mediums\" width=\"2375\" height=\"1693\" class=\"size-full wp-image-1423903\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/956ED908-9C91-430D-8007-B238EE18B4E5_1_201_a.jpeg 2375w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/956ED908-9C91-430D-8007-B238EE18B4E5_1_201_a-300x214.jpeg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/956ED908-9C91-430D-8007-B238EE18B4E5_1_201_a-1024x730.jpeg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/956ED908-9C91-430D-8007-B238EE18B4E5_1_201_a-768x547.jpeg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/956ED908-9C91-430D-8007-B238EE18B4E5_1_201_a-1536x1095.jpeg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/956ED908-9C91-430D-8007-B238EE18B4E5_1_201_a-2048x1460.jpeg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/956ED908-9C91-430D-8007-B238EE18B4E5_1_201_a-620x442.jpeg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/956ED908-9C91-430D-8007-B238EE18B4E5_1_201_a-100x70.jpeg 100w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/956ED908-9C91-430D-8007-B238EE18B4E5_1_201_a-940x670.jpeg 940w\" sizes=\"(max-width: 2375px) 100vw, 2375px\" \/><\/a><figcaption id=\"caption-attachment-1423903\" class=\"wp-caption-text\">The top half of the paper has been treated with <a href=\"https:\/\/www.jacksonsart.com\/jackson-s-gum-arabic-60ml\" rel=\"noopener\" target=\"_blank\">Jackson&#8217;s Gum Arabic Solution<\/a>, the bottom half is unprepared. Washes of Phthalo Blue (left) and Cerulean Blue (right) were applied and allowed to dry before lifting.<\/figcaption><\/figure>\n<p>While gum arabic solution makes an excellent lifting preparation, it is a brittle medium that is prone to cracking if applied thickly. You can see in the swatch above that it changes the colour of the paper slightly, and it also adds a slight sheen: <\/p>\n<a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/DSC_0138.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/DSC_0138.jpg\" alt=\"\" width=\"1200\" height=\"803\" class=\"size-full wp-image-1423904\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/DSC_0138.jpg 1200w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/DSC_0138-300x200.jpg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/DSC_0138-1024x685.jpg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/DSC_0138-768x514.jpg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/DSC_0138-620x415.jpg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/DSC_0138-192x128.jpg 192w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/DSC_0138-940x629.jpg 940w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a>\n<h2>Increasing Flow with Ox Gall Medium<\/h2>\n<p>Ox gall is an additive rather than a medium, because it is added to the painting water rather than the paint itself. It is a surfactant that breaks the surface tension of the water, allowing pigments to disperse more easily.<\/p>\n<figure id=\"attachment_1423905\" aria-describedby=\"caption-attachment-1423905\" style=\"width: 2384px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/oxgall.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/oxgall.jpg\" alt=\"Watercolour mediums\" width=\"2384\" height=\"1716\" class=\"size-full wp-image-1423905\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/oxgall.jpg 2384w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/oxgall-300x216.jpg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/oxgall-1024x737.jpg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/oxgall-768x553.jpg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/oxgall-1536x1106.jpg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/oxgall-2048x1474.jpg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/oxgall-620x446.jpg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/oxgall-940x677.jpg 940w\" sizes=\"(max-width: 2384px) 100vw, 2384px\" \/><\/a><figcaption id=\"caption-attachment-1423905\" class=\"wp-caption-text\"><strong>Top:<\/strong> Cerulean Blue wash without ox gall<br \/><strong>Bottom:<\/strong> Cerulean Blue wash with <a href=\"https:\/\/www.jacksonsart.com\/maimeriblu-watercolour-medium-75ml-natural-ox-gall\" rel=\"noopener\" target=\"_blank\">MaimeriBlu Natural Ox Gall<\/a><\/figcaption><\/figure>\n<p>The difference might look subtle, but it was much easier to achieve a smooth graduation of colour with the ox gall medium, while without it the Cerulean Blue clumped together. <a href=\"https:\/\/www.jacksonsart.com\/golden-qor-watercolour-synthetic-ox-gall-59ml\" rel=\"noopener\" target=\"_blank\">Synthetic versions of ox gall<\/a> are available, and work just as well. <\/p>\n<h2>Decreasing Flow<\/h2>\n<p>An impasto medium like Winsor and Newton\u2019s <a href=\"https:\/\/www.jacksonsart.com\/winsor-newton-watercolour-medium-60ml-aquapasto\" rel=\"noopener\" target=\"_blank\">Aquapasto<\/a> adds body to the colour without adding opacity, retaining brushstrokes and making the watercolour behave more like oil or acrylic. It does, however, add a slight yellowish tint to certain colours, like the Cerulean Blue below:<\/p>\n<figure id=\"attachment_1423906\" aria-describedby=\"caption-attachment-1423906\" style=\"width: 2363px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/12E6C3CB-04E4-41B1-945D-972A09A832B6_1_201_a.jpeg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/12E6C3CB-04E4-41B1-945D-972A09A832B6_1_201_a.jpeg\" alt=\"Watercolour mediums\" width=\"2363\" height=\"1701\" class=\"size-full wp-image-1423906\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/12E6C3CB-04E4-41B1-945D-972A09A832B6_1_201_a.jpeg 2363w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/12E6C3CB-04E4-41B1-945D-972A09A832B6_1_201_a-300x216.jpeg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/12E6C3CB-04E4-41B1-945D-972A09A832B6_1_201_a-1024x737.jpeg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/12E6C3CB-04E4-41B1-945D-972A09A832B6_1_201_a-768x553.jpeg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/12E6C3CB-04E4-41B1-945D-972A09A832B6_1_201_a-1536x1106.jpeg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/12E6C3CB-04E4-41B1-945D-972A09A832B6_1_201_a-2048x1474.jpeg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/12E6C3CB-04E4-41B1-945D-972A09A832B6_1_201_a-620x446.jpeg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/12E6C3CB-04E4-41B1-945D-972A09A832B6_1_201_a-940x677.jpeg 940w\" sizes=\"(max-width: 2363px) 100vw, 2363px\" \/><\/a><figcaption id=\"caption-attachment-1423906\" class=\"wp-caption-text\">Top:<\/strong> Cerulean Blue wash with water and no medium<br \/><strong>Bottom:<\/strong> Cerulean Blue with Winsor and Newton <a href=\"https:\/\/www.jacksonsart.com\/winsor-newton-watercolour-medium-60ml-aquapasto\" rel=\"noopener\" target=\"_blank\">Aquapasto<\/a><\/figcaption><\/figure>\n<h2>Increasing Drying Time<\/h2>\n<p>Watercolour is a fast-drying medium, but there are ways that this can be slowed down. One way is choosing a hard-sized watercolour paper that is relatively unabsorbent, increasing the time that the paint sits on the surface before being absorbed. Another way is to add gum Arabic. Gum Arabic is the binder in watercolours, so by adding it to the paint you are extending it without diluting the binder, increasing transparency and slowing the drying of the paint. You could also use watercolour blending medium, designed to give more time for reworking the paint before it dries. To find out how they slow drying, I painted out three swatches of watercolour diluted with water, gum arabic solution, and Winsor and Newton Blending Medium. I ran a dry brush over each swatch after one, five, and ten minutes to see how fast they dried. The swatch without any medium dried completely within five minutes. Gum arabic solution extended the drying time by a few more minutes. At the ten minute mark, only the Blending Medium remained wet enough to rework.<\/p>\n<figure id=\"attachment_1423907\" aria-describedby=\"caption-attachment-1423907\" style=\"width: 2367px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/7EAB90B2-38D8-460E-8A23-A7080EB3B6A4_1_201_a.jpeg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/7EAB90B2-38D8-460E-8A23-A7080EB3B6A4_1_201_a.jpeg\" alt=\"Watercolour mediums\" width=\"2367\" height=\"1703\" class=\"size-full wp-image-1423907\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/7EAB90B2-38D8-460E-8A23-A7080EB3B6A4_1_201_a.jpeg 2367w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/7EAB90B2-38D8-460E-8A23-A7080EB3B6A4_1_201_a-300x216.jpeg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/7EAB90B2-38D8-460E-8A23-A7080EB3B6A4_1_201_a-1024x737.jpeg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/7EAB90B2-38D8-460E-8A23-A7080EB3B6A4_1_201_a-768x553.jpeg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/7EAB90B2-38D8-460E-8A23-A7080EB3B6A4_1_201_a-1536x1105.jpeg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/7EAB90B2-38D8-460E-8A23-A7080EB3B6A4_1_201_a-2048x1473.jpeg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/7EAB90B2-38D8-460E-8A23-A7080EB3B6A4_1_201_a-620x446.jpeg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/04\/7EAB90B2-38D8-460E-8A23-A7080EB3B6A4_1_201_a-940x676.jpeg 940w\" sizes=\"(max-width: 2367px) 100vw, 2367px\" \/><\/a><figcaption id=\"caption-attachment-1423907\" class=\"wp-caption-text\">Top to Bottom: Cerulean Blue wash with water and no medium<br \/>Cerulean Blue diluted with <a href=\"https:\/\/www.jacksonsart.com\/jackson-s-gum-arabic-60ml\" rel=\"noopener\" target=\"_blank\">Jackson&#8217;s Gum Arabic Solution<\/a>, Cerulean Blue with <a href=\"https:\/\/www.jacksonsart.com\/winsor-newton-watercolour-medium-75ml-blending-medium\" rel=\"noopener\" target=\"_blank\">Winsor and Newton Blending Medium<\/a><\/figcaption><\/figure>\n<hr>\n<h2>Further Reading<\/h2>\n<p><a href=\"https:\/\/www.jacksonsart.com\/blog\/2021\/03\/23\/watercolour-painting-for-beginners-what-you-need-to-get-started\/\" rel=\"noopener\" target=\"_blank\">Watercolour Painting for Beginners: What you Need to Get Started<\/a><\/p>\n<p><a href=\"https:\/\/www.jacksonsart.com\/blog\/2021\/03\/22\/watercolour-varnish-can-you-make-watercolour-waterproof\/\" rel=\"noopener\" target=\"_blank\">Watercolour Varnish: Can you Make Watercolour Waterproof?<\/a><\/p>\n<p><a href=\"https:\/\/www.jacksonsart.com\/blog\/2020\/07\/02\/which-colours-are-on-your-palette-five-watercolour-landscape-painters-respond\/\" rel=\"noopener\" target=\"_blank\">Which Colours are on Your Palette? Five Watercolour Landscape Painters Respond<\/a><\/p>\n<p><a href=\"https:\/\/www.jacksonsart.com\/blog\/2020\/02\/18\/watercolour-grounds-painting-with-watercolour-on-canvas\/\" rel=\"noopener\" target=\"_blank\">Painting with Watercolour on Canvas: Choosing the Best Watercolour Ground<\/a><\/p>\n<p><strong><a href=\"https:\/\/www.jacksonsart.com\/studio\/mediums\/to-use-with\/watercolour\" rel=\"noopener\" target=\"_blank\">Shop Watercolour Mediums on jacksonsart.com<\/a>.<\/strong><\/p>\n<p><a href=\"https:\/\/www.jacksonsart.com\/blog\/tag\/colour-mixing\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1423118\" src=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/03\/colour-mixing-banner.jpg\" alt=\"\" width=\"2248\" height=\"740\" srcset=\"https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/03\/colour-mixing-banner.jpg 2248w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/03\/colour-mixing-banner-300x99.jpg 300w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/03\/colour-mixing-banner-1024x337.jpg 1024w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/03\/colour-mixing-banner-768x253.jpg 768w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/03\/colour-mixing-banner-1536x506.jpg 1536w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/03\/colour-mixing-banner-2048x674.jpg 2048w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/03\/colour-mixing-banner-620x204.jpg 620w, https:\/\/www.jacksonsart.com\/blog\/wp-content\/uploads\/2021\/03\/colour-mixing-banner-940x309.jpg 940w\" sizes=\"(max-width: 2248px) 100vw, 2248px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>One of the great advantages of watercolour is its simplicity. All you need to start painting is water, a brush, [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":1423957,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[478],"tags":[],"class_list":["post-1423889","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-watercolour-painting"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - 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