The term “medium” has different meanings depending on the subject, but overall it is an additive that changes the structural properties of whatever it is you’re adding it to. Fans and drafts can cause faster drying, resulting in thickness and lumps forming as you work your brush across the canvas surface.Įnsure your studio or room doesn’t have too much air movement while painting to prevent excessive changes in the paint properties and drying times. So you have to work more quickly when painting with acrylics. Paint in a Suitable EnvironmentĪs previously mentioned, air exposure evaporates the water in acrylics, so the paint will dry faster once you apply it to the surface. You should always double-check your containers to seal properly to prevent the acrylic paint from thickening due to air exposure. Many acrylics come in containers or tubes with an airtight seal but can become faulty over time. It’s imperative to take good care of your acrylics and tools to ensure they keep their quality longer.īecause acrylic paint is water-based, if you leave your paint container open or seal it incorrectly, air exposure will cause the water in the paint to evaporate, resulting in clumpy and thick paint. Better quality paint will help you create higher quality art with fewer issues like paint thickening, clumps, and bubbles.Īlthough, even with better quality paint, it’s still possible to run into the thickness and lumpy problems while painting, especially if you don’t take care of your paint (explained in the next section). However, investing a bit more money for better quality products will transform your whole painting experience. When you’re a beginner in acrylics, or even if you only paint as a hobby, it’s common to go for cheaper acrylic paints. If you have cheaper quality acrylics, it’s best to use an acrylic medium to thin your paint (as mentioned above) because there may not be enough binder in your paint to bind the pigment when water is added to dilute it. Too much water will break down the binder in the acrylic, making it challenging to adhere to the surface you’re working with. It’s said you can add up to 50 percent water, but understand the more water you add, the more the characteristics of the paint will change, and you could end up with what’s called a wash, which is similar to watercolor consistency. Using no more than 30 percent water when mixing with your paint is highly recommended. Since most acrylic paint is water-based, you can add more water to thin the paint to your preferred consistency. Mediums can be mixed at various ratios to create a different appearance, like gloss, matte, or even a glaze that appears more transparent. Adding acrylic medium at a higher percentage, like 50 percent or more, will create an entirely different consistency. When using an acrylic medium, add no more than 30 percent to change the paint properties for thinner paint that’s easier to work with. This medium doubles the drying time of your paint, so you won’t have to work as fast to prevent thickening while painting. ![]() ![]() It changes the pigmentation consistency for easy adhesion to the surface and is commonly used for acrylic staining or pouring. A medium that changes the properties of the paint to better adhere to fabric surfaces. This medium dramatically alters the properties of the paint to create different textures and dimensions on the canvas. ![]() Whereas heavy body gel medium is used to thicken the paint consistency. Specifically, gel medium in liquid form will create thin layers more evenly without visible brush strokes. This medium is a great way to dilute your acrylic paint to thin the pigmentation with a smooth consistency. Here are some of the acrylic mediums commonly used by many artists depending on the surface they’re working with and the desired outcome of the paint properties for the technique used: Some can be pretty pricey, but to create better quality art, you need the essential tools and resources at your disposal. There are different types of mediums you can use with acrylics, including binders, pouring mediums, and airbrush mediums. Acrylic mediums are specifically designed to alter the properties of acrylic paint while still allowing the pigmentation to bond to the surface. It’s an essential resource for creating textures, thinning, and even correcting “happy little accidents,” as Bob Ross would say. 2 Final Words 6 Ways To Prevent Thick Acrylic Paint Use Acrylic Mediums for ThinningĪcrylic mediums are a great way to transform how you create your acrylic art and improve the versatility of using acrylics. ![]() 1 6 Ways To Prevent Thick Acrylic Paint.
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