Yes I did the same thing. But if I were you i would let it sit in there for like 15 or 29 min then rinse it out. Then next day wash your hair. Cause when I wash mine a Lot of red came out and you don't want that in a pool
kool aid is made to dissolve in water, so as soon as it gets wet, sweat or water, it will come out and streak down your neck. you would be better off getting a non-permanent hair dye. you can get them from the chemist or supermarket and they wash out after about 5 or 6 washes, they are cheap and easy to use.