The Planted Tank Forum - View Single Post - Lighting an Aquarium with PAR instead of Watts
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post #16 of (permalink) Old 07-22-2012, 11:51 AM
sayurasem's Avatar
Join Date: Jun 2011
Location: Loma Linda, CA
Posts: 2,558
Technology in aquarium has stepped up!
I still remember 2 years ago "watts per gallon" was still widely used.
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