The Planted Tank Forum - View Single Post - Too much for a 20H?
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post #4 of (permalink) Old 01-07-2013, 06:11 PM Thread Starter
Algae Grower
Join Date: Jan 2013
Location: Maryland
Posts: 52
Thanks for the tips! I have the lights sitting on a glass lid. I know with my reefs I'd not use glass due to absobtion, however in this case it might be a good thing. The housing as a seperatate switch for the center bulb so that should give me some good control. Yhe other question is whether its permissible to have two shorter photoperiods in a day vs. One 8-12 hour period? It would be nice to have lights morning and evening without keeping them on for the full 15-16 hours which would clearly be a bad idea.
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