10-22-2013, 11:58 AM
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Originally Posted by rexpepper651
sorry you got to it before i was able to ad it. the tanks are both 55 gallon and im using for both, two t8 6500k bulbs, shop light fixtures. could it be my bulbs? just reg fluorescent phillips bulbs.
Do you have floating plants? This would definitely help. 2 T8's over a 55 puts you at the high end of moderate and floating plants are almost necessary. I have this same lighting over my 55 and dose twice weekly but have almost complete coverage of floating plants and have no algae issues. The key is finding balance between light and fertilizer. I don't see a problem with your lights being on for 7 hrs. Maybe up the fertilizer to twice a week and a few floating plants.