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How to Fix Dry Paints?

Once we’ve indulged ourselves in the realms of our prestigious kits, at least twice (if not more) we’re all guilty of getting distracted or consumed by something popping up in our lives. While we coddle that particular task, some paints have a tendency to show their anger and infuriation by drying up. If you’re daunted by these arrogant paints who thicken or get hard and are willing to trade anything for possible solutions, this article is going to effectively list down the fantastic four ways to replenish your acrylic paints and make them great again.

Paint by Number Kits

Discern the Bad paints

Before channeling your inner medics to a potential revival of the dry paints, let’s first learn to distinguish whether your paints have completely turned bad or can they be fixed.

The hard and fast rule here is to check whether there are consistency changes in the paint or is the paint growing mold. Mostly, the paints undergo consistency changes (lumping or drying up) only and those can be fixed prolifically. However, when the paint has mold (a type of fungus) on it, it gives away a pungent or sour smell, hence the paint should be discarded immediately.

If you’ve never opened your container for a decade even, rest assured the paints would be perfectly fine. Only if you’ve previously popped a paint container and haven’t used it for a couple of years, the mold is sure to take over the proceedings. (So watch out folks)

                                                 Dried Paints for Paint by Numbers                          Damaged Paints for Paint by Numbers


Now that you’ve learned the difference between a paint that can be fixed or not, let’s move over to lament and bring to light the fantastic four in detail. Since Acrylic paints are water-soluble, they can be easily fixed with water, flow improver/aid, thinning medium, and agitator.


  • The first hero that you should always turn to while dealing with dry paints is obviously water. Since Acrylic paints are water-soluble, adding a couple of water droplets will do the trick and moisten the paints in an instant.
  • The use of warmer water is recommended here because it doesn’t meddle with the concentration of paint, unlike the icy cold water. For best results, stir the paint with some toothpicks and leave it overnight.
  • Make sure the paints have no exposure to air or all your efforts will go in vain.

Thinning the Paints


  • The flow improvers/aids are the second most widely used option across the globe to fix dry paints. The way how these flow improvers/aids works is quite different than how water works as a thinner.
  • Instead of adding flow improvers all over your paints, you just need to add a few drops of this magic potion to your water. You can then dip your brush in this mixture and proceed to paint.
  • The paint will sail off your brush more elegantly now. The only thing to watch out here is that the flow improvers are renowned for increasing the amount of paint on that you use on a canvas. (Be vigilant and don’t use too much paint.)

Flow Improver for Paint by Numbers


  • For all the experts out there, who are adept at handling these sorts of nuisances, the thinning mediums come in handy to fix the dried paints. As the name prolifically suggests, a thinning medium is a gel-like pasty substance that helps to enhance the consistency of the paints.
  • Thinning mediums and their efficacy vary from paint to paint and they are widely available in all chemical stores. Diligently add the thinning medium to your paints as per the instructions mentioned over it.
  • Remember to pour the medium into the paint at a snail’s pace because you don’t want to overdo it. Continue stirring until your required consistency is achieved.

Thinning Medium for Paint by Numbers

Please note that some individuals use their paintbrushes as a stirrer to mix the dry paints but we strongly advise against it. Not only it damages the bristles of the brush but also it makes them fall off in the paint.


  • All the veterans of this field are quite familiar with this technique. An agitator often called a mixing ball too, is a compact ball-bearing substance that can be directly placed inside the container of the paint.
  • The ball is equipped with a powerful potion to fix the dry paints and enhance consistency. It works wonder by combating the dried and thick paint which is holding onto either side or the bottom of the container. It is advised to add a thinning medium alongside these agitators for the best results.
  • The most famous agitators are the stainless steel ones or the glass ones. Agitators that are poor in quality invoke rust.

Agitators to thin Paints

This concludes our fantastic four lists of essentials that can help you fix your dry paints. For all the beginners, the first two solutions will work prolifically well whereas if you’re a pro, you might as well take the last two options. Stay tuned as we’re on the hunt to find more effective solutions for you.


  • Thank you for this much needed information and advice. I’ve got a couple of pots that I now believe I still use. Again, thanks for the tips.

    Carolyn Brown
  • Am so much excited to start as I have left the option to start my paint by numbers to experience due to the dry paints though I have to order the whole kit again to pursue my paint by numbers experience and I will definitely post my experience once I have completed it.

  • Much Needed post, As this issue, is common among us and I will not say that the paints were sent dry as I left them untouched for months.
    And buying new paints is difficult for the relevant kit and reshipping takes time. So I would say a fine blog post. Really helpful, Thanks.

    Janice M. Springfield
  • I was out on a holiday when paint by numbers kits reached me. Didn’t get the time to start it, But when I did it was noticed that some paint numbers were dried out, I contacted the customer support and they reshipped the paint pots for free but it will take much time to reach me and maybe again I will not be able to start it, But this post is helpful as I was confused that I would ruin the paints instead of making them alive again.


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