Thread: Lucas Formula
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Old 04-24-2008, 12:42 AM
IMgreen is offline  
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IMgreen
10wks on the res (maybe?)
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Join Date: Sep 2006
Location: a dry and arid place
Posts: 1,759
PPM meters are either .5 or .7 and they all calculate PPM based on EC

I am feeding my plants at about 1300 -ish under HPS or .65 EC at .5 conversio

good luck screwdababylon!
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