My light is 18" off the surface of the water. 12 inch deep tank. (Frag tank) .
Full blast both blue and white I was getting 400 par at the surface and 200 par 12 inches down.
Half power I was getting 250 par at the surface and 125 at the bottom (12" deep)
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Ross
INDMAS Member
Current Tank Info: 800 Gallon Inwall
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