HELP!!! I have red slime algae in my tank. What is a good fish to put in there to get rid of it? It's not everywhere, just on one side. I don't want it to spread. My tank is a 72 gallon bow front with 2 small perculas, 2 small black perculas, 1 small sebae, 1 small maroon clown, 1 mandarin, 1...