The Planted Tank Forum - View Single Post - Lighting an Aquarium with PAR instead of Watts
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Old 02-27-2013, 12:35 AM   #155
Jeffww
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I have a rather long 5g tank with two cfls suspended 15"above the substrate. The lighting is 2x26w in two 8.5" dome reflectors. The bulbs stick out maybe 3/4". Is this too much light? I'm kind of confused because the PAR graph says much over 100PAR which seems like a crazy amount if 50 is already "high light". Even reducing to 13w bulbs doesn't seem to be much different. In fact, I think they might be MORE light since they would be completely contained within the dome. I do have pressurized co2 though...However this is more PAR than what was on my 60p with 2x24w T5HO!

What's your opinion?

Last edited by Jeffww; 02-27-2013 at 12:48 AM.. Reason: ....
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