How to Clean Paint Brushes After Paint by Numbers
When you are focused on finishing your paint-by-numbers canvas, cleaning your brushes might seem like the least important part of the process.
But acrylic paint dries quickly. Leave it on your brush for too long and those soft bristles can become stiff, separate, or lose their shape.
The good news is that cleaning paint-by-numbers brushes is simple. A few small habits can help your brushes last longer and make it easier to paint those tiny numbered sections neatly.
Here is how to properly clean and care for your brushes.
1. Don't let acrylic paint dry on your brush
The most important rule is also the simplest: clean your brush before the paint dries.
Acrylic paint is water-based while wet, which makes it relatively easy to rinse away. Once it dries, it becomes much harder to remove.
If you are switching colors, rinse your brush straight away instead of leaving it on the table while you work with another brush.
2. Keep a cup of clean water beside you
Always have a small cup of water next to your painting area.
When you finish using a color, gently move the brush around in the water to loosen the paint from the bristles.
Try not to aggressively press the brush against the bottom of the cup. Doing this repeatedly can bend the bristles and affect the fine point you need for detailed sections.
3. Rinse between every color
Even a tiny amount of the previous paint color can change the next shade you use.
This is particularly noticeable when moving from a dark color to a light one.
Rinse your brush thoroughly between colors and check the bristles before dipping it into the next paint pot.
It may add a few seconds to the process, but it helps keep your colors accurate.
4. Gently wipe away excess paint
After rinsing your brush, gently wipe it on a clean cloth or paper towel.
This removes paint and excess water that may still be trapped between the bristles.
It also gives you an easy way to check whether the brush is actually clean. If color still appears on the towel, rinse it again.
5. Avoid soaking your brushes for hours
Leaving your brushes standing in water might seem convenient, but it can damage them.
When a brush sits against the bottom of a cup for a long time, the bristles can bend and lose their original shape. Water can also affect the handle and the area connecting the bristles to the brush.
Rinse your brushes when you finish painting, then remove them from the water.
6. Reshape the bristles after cleaning
Small detail brushes work best when the bristles form a neat point.
After cleaning your brush, gently reshape the damp bristles with your fingers.
Do not pull them. Simply guide them back into their original shape.
This small step can make a noticeable difference when you return to tiny sections during your next painting session.
7. Let your brushes dry properly
Once your brushes are clean, allow them to dry before storing them.
Laying brushes horizontally on a clean towel is a simple option. Avoid immediately storing wet brushes inside a closed container.
Once completely dry, you can place them with the bristles facing upward so they do not become bent or crushed.
8. What should you do if acrylic paint has already dried?
Forgot to clean a brush? It happens.
Start by soaking only the bristles in warm water for a short period to see whether the paint begins to soften. You can then gently work through the bristles with your fingers.
Avoid pulling aggressively at hardened paint, especially on fine brushes, as this can permanently damage the bristles.
Prevention is much easier than trying to restore a brush after acrylic paint has completely hardened.
9. Keep multiple brush sizes available
Different sections of a paint-by-numbers canvas benefit from different brush sizes.
A fine brush helps with tiny details, while a slightly larger brush makes bigger areas faster and smoother to complete.
Keeping several clean brushes available also means you can switch between detailed and larger sections without trying to make one brush do everything.
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10. Make brush cleaning part of your painting routine
Brush care does not need to become another chore.
Keep water and a cloth beside your canvas before you start. Rinse when changing colors, wipe away excess paint, and properly clean your brushes when you finish.
Once it becomes part of your routine, you barely have to think about it.
And when you sit down for your next painting session, your brushes will be clean, soft, and ready to go.
FAQ
How do you clean paint-by-numbers brushes?
Rinse the brush in clean water before the acrylic paint dries, gently remove remaining paint from the bristles, wipe away excess water, reshape the brush, and allow it to dry.
Should I clean my paintbrush between every paint-by-numbers color?
Yes. Cleaning your brush between colors prevents shades from accidentally mixing and helps keep the colors on your canvas accurate.
Can you leave paintbrushes sitting in water?
It is better not to leave brushes sitting in water for long periods. The bristles can bend against the bottom of the container and lose their shape.
How do you keep paint-by-numbers brushes from getting hard?
Do not allow acrylic paint to dry in the bristles. Rinse brushes regularly while painting and clean them thoroughly as soon as you finish your session.