The activator for slime must be a boron species capable of forming borate in water. Borate reacts with polyhydroxlated polymers to form metastable cross-links. The optimum pH for borate activator is pH 9. This means that you can use borax, which is already at the optimum pH or boric acid as long as you adjust the pH with a base to around pH 9. Baking soda (aka sodium bicarbonate) can be used to adjust the pH. If you aren’t working from a recipe, you’ll need pH paper to figure out how much baking soda to add.
You can make slime in a few ways, they all depend on how many ingredients are present; which is how I’m going to rank them. You can also add any food colouring.
school toothpaste (seen it, tried it, didn’t like the consistency as it was too sticky)
Add some toothpaste into an empty water bottle (the measurement would be two long streaks)
Add a bit of sugar
start mixing it together until you get a good consistency which is no longer sticky.
2. Slime Creator’s glue. Most common (credit due to ‘Tonic Studios’)
add half a bottle of Slime Creator’s glue in a bowl (I suggest using a bowl that you won’t use since it may not wash off well)
1 tablespoon of some kind of saline solution (must contain boric acid and sodium borate)
1/2 cup of Water
1/4-1/2 tsp Baking Soda
half a cup of water
mix it together
Another option is to use contact lens solution provided it contains boric acid. Check the label. In this case, you’ll need to add baking soda to adjust the pH. The last time I used this method, I used equal amounts of both ingredients to make the activator.
Still, the best option is to get some borax and make a 5% solution of borax as the activator. You can buy borax at some grocery stores and you can get it on .
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