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
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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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