
Alcohol ink art is typically created on non-porous surfaces such as Yupo paper, glass, metal, and plastics. However, it is possible to use alcohol ink on porous surfaces like canvas by priming it first. Priming a canvas seals the surface, preventing the ink from bleeding through and allowing for finer details in the artwork. There are several ways to prime a canvas for alcohol ink, including using a latex-based primer like Killz2, a gel medium, or gesso. Once the primer is applied smoothly and evenly to the canvas and has dried, the canvas is ready for alcohol ink painting.
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What You'll Learn

Use a non-porous surface primer
Alcohol inks typically require a non-porous substrate for the effective "flow" of the ink. If you paint with alcohol ink on a porous surface, the ink will soak into the surface, and the flow that makes alcohol ink a great medium will be lost.
To prime a canvas for alcohol ink, you need to use a sealant that won't reactivate the inks. You can use a gloss medium, but the inks won't flow as smoothly. You can also use gloss spray paint, but be sure to test it first as some brands may react or lift when you apply the ink.
Gel mediums or gesso may also work as they coat the surface to make it non-porous. However, the inks don't flow as well over gesso, and if you use a lot of alcohol, it can remove the gesso.
You can also use a house paint primer like Kilz2 Latex Primer to seal the canvas. It is fast-drying, water-based, multi-purpose, inexpensive, and seals the surface of most canvases so that they will not absorb the ink. Apply a good single coat to the top and sides of the canvas, making sure you don't see any of the little holes or cotton weave texture anymore. Then, allow around 45 minutes for it to fully dry before you begin applying inks.
Another option is to use Krylon Triple Thick Crystal Clear Glaze. Apply 3 layers of this spray to create a smooth non-porous surface. Once the base is fully dried, you can apply the inks.
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Sand the canvas for a smooth finish
To prime a canvas for alcohol ink, you must first seal the canvas to create a non-porous surface. This is because alcohol ink requires a non-porous substrate for effective "flow". If the canvas is porous, the ink will soak into the surface, and you will lose the wonderful flow that makes alcohol ink a great medium to work with.
To achieve a smooth finish, you can use a modelling paste to give the gesso body. This will make it easier to spread and smooth out the gesso and remove any imperfections.
After applying the gesso, use a razor to focus on the high spots or ridges. Hold the canvas vertically against a light source to see the actual risen edges. Then, use sandpaper to sand down any minor imperfections left over. Aim for an eggshell smoothness. Use strokes holding the sandpaper at 90 degrees, straight up and down, against the canvas. You should only have very fine peelings coming off as you do this.
Finally, finish up with some sandpaper to get the smoothest finish. A 120-grit paper should be sufficient.
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Choose the right sealant
When choosing a sealant for priming a canvas for alcohol ink, it's important to select one that will create a non-porous surface. This is because alcohol ink requires a non-porous substrate for effective flow; otherwise, the ink will soak into the canvas, resulting in a loss of the desired flow.
One popular option is the Killz2 Latex Primer, which is fast-drying, water-based, multi-purpose, and relatively inexpensive. It effectively seals the canvas, preventing ink bleed-through. The Killz2 Primer comes in both white and clear varieties, with the clear version being ideal for black canvases. However, it's important to note that even with Killz2, the canvas may absorb more ink than other surfaces like glass or Yupo paper.
If Killz2 is not available in your region, there are alternative options to consider. Other latex-based house paint primers can be used, although it's important to test them beforehand as different brands may react differently with the ink. Gel mediums or gesso can also be used as they create a non-porous surface, but be cautious as some artists have reported issues with the primer lifting when alcohol is added.
For a completely different approach, you can try using Krylon Triple Thick Crystal Clear Glaze. This spray-on sealant is applied in three layers to create a smooth, non-porous surface. Once dried, you can proceed with applying alcohol ink.
Additionally, you might want to consider a sealant that won't reactivate the inks. Krylon Kamar Varnish is a popular choice for fixing the inks, and it is then followed by a UV spray to prevent fading.
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Prevent fading with UV spray
To prime a canvas for alcohol ink, you must first seal the canvas to make it non-porous. Alcohol ink typically requires a non-porous substrate to allow for the effective "flow" of the ink. If the canvas is porous, the ink will seep into the weave of the canvas, resulting in a grainy and uneven application.
One popular product for sealing canvases is Killz2 Latex Primer, which comes in white and clear. This product is fast-drying, water-based, multi-purpose, inexpensive, and seals the canvas beautifully. To apply, use a foam brush to coat the top and sides of the canvas smoothly. Allow around 45 minutes for it to dry before applying inks.
Other options for sealing the canvas include other latex-based house paint primers, gel mediums, or gesso. However, it is important to test these products first, as some may react or lift when alcohol ink is applied.
Once the canvas is sealed and the ink is applied and fully dry, you can protect your artwork from fading by using a UV-resistant spray. Krylon makes a UV Archival Varnish in both a matte and glossy finish that can be applied in thin layers. This will help slow down the fading process caused by UV rays.
Another option for a UV protectant is a clear coat with UV resistance that can be sprayed onto the artwork. This will not only protect against UV rays but also provide a barrier to prevent physical damage. It is important to follow the directions and allow each layer to dry completely before applying the next coat.
By taking these steps to prime the canvas and apply a UV protectant, you can help ensure that your alcohol ink artwork retains its vibrant colors and is protected from fading over time.
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Use gloss medium for a different effect
Gloss medium can be used to prime a canvas for alcohol ink to achieve a different effect. Gloss medium is a type of sealant that can be applied to the canvas before adding alcohol ink. While it will not prevent the ink from soaking into the canvas, it can give the inks a different type of flow and a glossy finish.
To use gloss medium as a primer, start by applying a coat of the medium to the top and sides of the canvas. Use a foam brush or a large paintbrush to achieve a smooth layer and avoid the appearance of brush strokes. Allow the gloss medium to dry completely before applying alcohol ink. The drying time will vary depending on the type of gloss medium used, so refer to the manufacturer's instructions.
Once the gloss medium is dry, you can start applying alcohol ink to the canvas. Keep in mind that the inks may not flow as easily over the glossy surface, so you may need to adjust your technique accordingly. Experiment with different types of applicators, such as droppers or air sources, to achieve the desired effect.
Using gloss medium as a primer can be a great way to add variety to your alcohol ink creations. It can give your artwork a unique, glossy finish that can make the pigments look more vibrant. However, keep in mind that the flow of the inks may be different, so it may take some practice to master this technique.
If you're looking for a more advanced option, you can also explore using resin as a final coat over your alcohol ink creations. Resin provides a gorgeous, glossy finish that many artists love. There are various brands available, such as ArtResin for wall art or Counter Culture DIY Artist Resin for coasters, offering options to suit different needs and preferences.
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Frequently asked questions
Alcohol ink art requires a non-porous substrate for the effective "flow" of the ink. If you paint on a porous surface, the ink will soak into the canvas, and you will lose the wonderful flow that makes alcohol ink a great medium.
The most popular primer for a canvas seems to be the Killz2 Latex Primer. It is fast-drying, water-based, multi-purpose, readily found, and relatively inexpensive. Other options include other latex-based house paint primers, gel mediums, gesso, gloss medium, and gloss spray paint.
Your goal is to coat the top and sides of the canvas with as smooth a layer as you can. To avoid the appearance of brush strokes, use a large foam brush instead of a paintbrush. Sometimes even foam brushes leave ridges and brush strokes, so you may want to use sandpaper to smoothen the surface.
Allow around 45 minutes for the primer to fully dry before you begin applying inks.
Alcohol inks are dye-based and not very light-fast, so the art will fade away and get dull over time even after sealing with sprays and resin. To protect your painting, always keep it away from direct sunlight or bright light. You can also scan or photograph your art in high resolution and then get archival prints of it.









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