I have ick in my reef tank. no more fish are in there. I have been using Kick ick for 10 days. ita says that ich will be gone in 15 day's. Will this be long enough time before i put fish back in the tank. 50 Gallon reef nitrate's 0 ammo 0 ph 8.4 nitrite 0 50 # live rock crshed coral/sand 2 cleaner shrimp 1 coral banded shrimp 15 sanils 15 cracb red leg 1 star fish some corals some mushrooms 20 gallon QT crahed coral marron clown yellow damsel blue and yeelow damsel 5# live rock 10 gallon hspital tank.