De-Activating Slime

Hi! So, I think some other people did this, but I had this idea BEFORE I saw the videos. 

Sometimes, extra activator goes into the slime, and the slime ends up becoming hard and rubbery. So, I found a way to soften slime after you mess it up, so as not to waste materials. All you need is vinegar and your hard slime. Make sure to add it it bit by bit, and have some activator in case you over de-activate it. ;)