Floating debris

[Madreefer]

Originally Posted by svaningen

I find my tank is perfect except for floating debris. I only keep one power head one and I don't use RO water . What should I do to fix this problem?

What do you mean by "floating debris"? If you mean the film on the top of your water than you need some surface agitation. A powerhead near the top portion of your tank will help with that and also good to help get gases out of your water.