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post #11 of (permalink) Old 10-31-2011, 08:15 PM
Planted Tank Enthusiast
Join Date: Oct 2011
Location: Bellevue, WA
Posts: 871
This guy is pretty high on the TMC GrowBeam lights for planted tanks:

His article shows a 12 watt TMC GrowBeam beating a 175 watt metal halide:


I'm not sure about the conditions of that test and he claims that TMC has exclusive rights to a particular high-PAR LED from Cree, which I have not confirmed.

However, it does look like an interesting option.

[EDIT: After reading the article again, I'm not sure if that test uses the TMC LED]

Marineland 26 bow front:

40 gallon breeder (and 20 gallon long):
10 gallon with PAR30 LED:
galabar is offline  
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