I need help. Can someone please give me a legitamate way to rid my tank of the ugly red algae. It thrives. My water is perfect for ph,nitrate, nitrite, ammonia. I got a 40g, 40lbs live rock, 4 fish, 1 clown, 1 lemonpeal angle, 1 chromis,1 small damsel, 2 anemone's, 1 brain coral, 3 emeralds...