The Planted Tank Forum - View Single Post - High Nitrate and Algae Isses Plz Help!
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Old 11-17-2012, 05:19 AM   #10
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2 T5s is a lot of light over a ten gallon. WPG rule doesn't work for T5s and they can cause algae in shallow tanks like ten gallons. I am guessing this is going to be the root of your algae issue and not a nitrate lvl of 40.

Consider dropping a post over in lighting for advice from Hoppy.

In the meantime I would really consider lifting the light a foot, pulling a bulb, throwing in a bunch of floaters. Anything to tone down the light a bit.
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