ok my nitrites were at 2 so i did a water change and cleaned all the decorations in the tank I took 12g of water out of the 60g tank I listened to the lfs and cleaned the decorations with bleach washed them off real good this was yesterday my nitrites are still at 2 and like 4 of my snail are dead and my hermits are eating them what should i do to fix water thanks jester and are the snails dying from cleaning with bleach I washed them off real good but i dont know why they are dying