DIY PAR meter, Yeah you heard me
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05-24-2012, 08:16 PM
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Join Date: Apr 2011
Location: Medford, Orygun
I used these when I was still a test tech at an assembly house programing embedded firmware in various products for customers.
45 gal tall high-tech
Complete CO2 Leak Test
How to build a CO2 regulator
Never argue with a fool. Onlookers often can't tell the difference.
Growing older is mandatory, growing up is optional.
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