Have Had 65 Gallon Tank For About A Yr. Notice Red,brown, And Green Algae. My Nitrites 0, Nitrate 5.0, Amnonia 0, High Range Ph 8.4. Are Tohse Normally Numbers To Have. I Also Have T5 Lights And I Use Tap Water. What Could Be Causing This And How Can I Get Rid Of This Problem? Please Help. Lost So Many Corals And Fish Already, Dont Wanna Loose Anymore.