The Planted Tank Forum - View Single Post - Lighting an Aquarium with PAR instead of Watts
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post #36 of (permalink) Old 07-30-2012, 07:28 PM
Algae Grower
Join Date: Aug 2011
Location: Fort Worth-TX
Posts: 65
Hi Hobby! Just a quick question and hope you can help me clarify on this. According to the chart for T5HO, At 21'' above the substrate the Catalina 4 bulbs give 80 micromols ; the Catalina 3 bulbs gives approx 62 micromols. Does this mean turn all bulbs on will give that certain PAR value or we multiply the PAR by number of bulbs ? Thank you
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