Is this enough for optimal plant growth? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 12-11-2003, 03:31 AM Thread Starter
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Does a 20 Watt Bio-Lux fluorescent tube + 4x10 watt light enough for a 45 gallon planted tank?
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post #2 of 3 (permalink) Old 12-11-2003, 03:43 AM
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Optimal would be @3wpg or 135watts of a flourecent type lamp.


120g, Flourite & Sand. DIY Stand and Canopy. CF lighting 3wpg, Pressurized C02, DIY reactor. 2-XP3's, 500watt heater.
Heavily planted
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post #3 of 3 (permalink) Old 12-11-2003, 04:29 AM
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Read my FAQ.

But before that it's about the power. "Magic" plant bulbs don't work if there is not enough power. You are looking at 60 watts. That's 1.3 watts per gallon. If you define Optimal as keeping Java Moss and Java fern alive then it will work. wellbiz pretty much hit the nail on the head. I would say at a minimum you would want 90 watts on the tank.
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