It’s also important that you add the contact lens solution AFTER you’ve mixed together all the other ingredients.

Without Boric Acid, it won’t turn into slime. Also, make sure you read the contact lens solution ingredients to make sure it contains Boric Acid. We recommend Elmer’s School Glue, and can’t guarantee that other brands will work for slime.

Does your slime look like thick, clumpy soup? You might have to try again.

Keep adding small amounts of warm water to the slime and kneading it into the slime until it gets to a good slime consistency.

Is your slime super stiff? You probably added too much activator.

If the slime sticks to your hands, add more contact lens solution and knead it into the slime.

You can definitely make great slime with it, but since it’s a slightly different glue, you might need to adjust the amount of water and activator you add to your slime. In fact, some generic brands won’t work at all!Īmazon Basics School Glue will also work, but I haven’t tried this exact recipe with it yet.

Every glue is slightly different and you may not get the exact same results with different brands. Different brands have different amounts of Boric Acid, so if you’re using a different one, you might have to adjust the amount of contact lens solution needed to activate the slime. In the USA, this contact lens solution is called Renu Advanced Formula by Bausch + Lomb. There are different brands you can choose, but I recommend using Renu Fresh contact lens solution by Bausch + Lomb. Check the ingredient list, and make sure Boric Acid is listed as one of the ingredients. Without Boric Acid, the slime won’t… well… it won’t turn into slime! There were lots of options on the pharmacy shelves. Make sure your contact lens solution has Boric Acid. What Kind of Contact Lens Solution is Best for Slime? I was at the pharmacy yesterday looking for contact lens solution and I saw options that were $4, $10 and $15… so depending on how much slime you want to make, there are plenty of affordable options! The full printable list of instructions is at the end of this post, but here’s a list of affiliate links to Amazon products showing what you’ll need for our slime recipe without borax: Looking for more ways to make slime? Here’s a few more of our favourite slime recipes:ĭIY Floam Using Styrofoam Cups Here’s What You’ll Need to Make Perfect Slime:

Slime activator