How to Fix Hard Slime & Make Overactivated Slime Jiggly Again!

No more slime fails! How to fix hard slime in minutes with one simple ingredient.

How to Fix Slime Fast!

You’ve found a new slime recipe.

You have all the ingredients.

You’re super excited…

…then it happens…


Don’t worry, slime fails happen to all of us! However, even if your slime didn’t turn out the way you expected, you can fix it a lot easier than you might think.

Can I Fix Overactivated Slime?

Overactivated slime is the leading cause of slime failure. The term “over activated” means that you’ve added too much of a slime activator (liquid starch, contact solution, borax, etc.). This can lead to slime that is sticky, rubbery, stringy and easy to break down.

This post will show you exactly how to fix hard slime (aka. In minutes, you can activate slime. The best part is that you don’t need any special products to do it! You only need one ingredient that everyone has at their home.

This simple trick will make any sticky, rubbery slime taste like new again.

How to fix hard slime in minutes with one simple ingredient. This trick can be used to fix overactivated slime, borax slime, rubberly slime and more!

How to Fix Hard Slime (Video Tutorial)

Watch the video below to see both how to make our classic liquid starch slime, as well as how to fix overactivated slime. Follow the photo steps.

Click video below to play:

How to Fix Overactivated Slime (Photo Step-by-Step Instructions)

Add your stringy slime or overactivated slime to a large mixing bowl.

Overactivated slime in a mixing bowl, stringy and broken into pieces

Warm water should be added to a measuring cup. Water from the sink is fine – the water should be warm, but safe to touch (not hot or boiling!)

Pouring warm water into mixing bowl with overactivated slime

Add warm water to mixing bowl with overactivated slime. Begin to massage the slime, working the warm water into it.

Can you fix overactivated slime? Yes! with one easy ingredient!

Add more water as needed, until your hard or broken slime begins to soften and reform a cohesive ball. It may take a few minutes – but be patient – this is how to make overactivated slime into jiggly slime!

No more slime fails! How to fix hard slime in minutes with one simple ingredient.

Your slime will look like new in just a few minutes with some warm water. Voila!

Related: Click here for our ultimate list of slime supplies!

No more slime fails! How to fix hard slime in minutes with one simple ingredient.

Why this method works: Making slime involves a chemical reaction that heats the slime (even if doesn’t feel hot to the touch). It can become less elastic as slime cools. Warming it back up is a quick way to fix this problem. However, the best way to avoid slime that is too hard is to take care not to add more liquid starch than needed during the mixing process.

Learn How to Make Slime Like a Pro

One of the best ways to avoid slime fails is to learn to master the basic slime recipes: liquid starch slime, cornstarch slime, and contact solution slime.

Once you have these three easy ways to make slime down pat, you can move on to making exciting new slime concoctions!

Click here to learn how to make slime using our three starter recipes!

how to make slime

Love Slime as Much as We Do??

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You can get the digital and printed versions of The Book!

The Slime Book - 43 recipes for unique slimes

From seasonal & holiday slime, to glow-in-the-dark slime, there’s 43 recipes for hours of play! Many of the recipes are brand-new and have never been published!

CLICK HERE to grab your copy of The Slime Book today!

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