The Planted Tank Forum - View Single Post - DIY PAR meter, Yeah you heard me
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post #522 of (permalink) Old 04-17-2013, 07:50 PM
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Join Date: May 2011
Location: california, orange county
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DIY PAR meter, Yeah you heard me

Used one of your DIY par meters I'm impressed, I hope I used it correctly, flat end towards the light right? Put my light at about 116-130 par at 40"
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