I just change about %10 of my water on saturday and tested my water today (Wednesday) here are my readings. Ph 8.0, Nitrate 20, Nitrite 0.2, Amonia 0. I have a 50g FOLR w/ some mushrooms, Skimmer, Fluval 304 filter, Fish: foxface, clarkii clown, scooter blennie, and coral beauty. Tank has been...