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I've had my tank for 4 years. I recently changed my lighting system and since then I've had so much red algae, it covers everything. I tried the slime remover and it worked temporarily but it came back. Its disgusting.
I have good water flow, 3 powerheads in the tank. I've done water changes and cleaned it but it comes back, kind of like an epidemic. Any ideas?
Could it be that I'm using tap water?