Cover reduce light? - Canreef Aquatics Bulletin Board

01-22-2009, 02:07 AM

Trigger Man Trigger Man is offline

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Join Date: Sep 2008

Location: Calgary, Alberta

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Quote:

Originally Posted by fkshiu

Were you using a lux meter or a PAR meter for your readings? Sanjay Joshi's test show a PAR reduction of around 10-20% with a pane of tempered glass that is used for DE MH bulbs.

I am not quite sure what meter we were using, kwirky would know. For the glass we tested it was not tempered and we were testing t5's.

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