The Planted Tank Forum - View Single Post - Suggestions Needed for 20L
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Old 01-12-2013, 08:10 PM   #3
Planted Tank Obsessed
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A T5HO fixture on a 20 long will produce a lot of light. You will likely need pressurized Co2 and a set fert schedule to avoid algae problems. A T5NO fixture would be a better choice. Or you could look into LEDs.
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