The Planted Tank Forum - View Single Post - >>>>>>>>HELP FIGURING OUT WHICH LIGHT SET UP BEST FOR MY 136 GAl<<<<<<<<
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post #2 of (permalink) Old 03-29-2013, 04:37 PM
Planted Tank Guru
Join Date: Dec 2005
Location: Sacramento, CA
Posts: 21,015
I would ask Catalina Aquarium to make two 3 foot lights, each with 2 T5HO bulbs, in an extra wide housing so the bulbs are about 7-8 inches apart. I would hang those lights about a foot above the tank, to get good spread of the light over the whole tank. That should give you around 30-35 micromols of PAR, which is about as much light as you can use without CO2 unless you want to battle algae as a full time job. I would also use Excel with that much light.

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