The Planted Tank Forum - View Single Post - Lighting an Aquarium with PAR instead of Watts
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post #77 of (permalink) Old 11-09-2012, 08:20 PM Thread Starter
Planted Tank Guru
Join Date: Dec 2005
Location: Sacramento, CA
Posts: 21,015
Someone can contribute information if they have the two bulbs and a PAR or lux meter. Just take light readings at various distances from the light, and report the readings here. Without that data one can only guess whether the two bulbs produce about the same PAR.

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