The Planted Tank Forum - View Single Post - Let's play "Guess the missing nutrient"!
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post #23 of (permalink) Old 02-06-2013, 11:38 PM Thread Starter
Algae Grower
JeffHerr's Avatar
Join Date: Mar 2010
Location: Valparaiso, IN
Posts: 102
Let's play "Guess the missing nutrient"!

I just realized I said I had 130w T5 for 55 gal. My bad...

I have standard compact fluorescents. Is approx 2 watt/gal of CF still too much light? I've cut my photo period back to 8 hours, but feel like 10 hours of full 130 watt CF lighting should be fine for an Excel/EI dosed tank.

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