The Planted Tank Forum - View Single Post - Lighting an Aquarium with PAR instead of Watts
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post #84 of (permalink) Old 11-26-2012, 03:00 AM Thread Starter
Planted Tank Guru
Join Date: Dec 2005
Location: Sacramento, CA
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Originally Posted by switch26 View Post
I see the Aquatic Life 36'' T5HO fixture, but I have 2 bulbs instead of 4..

2, 39w bulbs, one 6000k and the other is a 650nm roseate, im thinking of replacing with 2 6500k bulbs for better plant growth..

Anyway, can anyone tell me what my readings would be for that fixture currently? I have a 30 gallon tank and my fixture is about 16 inches from my soil?
You should get about 70-75 micromols of PAR with that light, which I consider to be high light.

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