Hi there I just ordered a PPM meter. im half way in my grow but I got tired of not measuring it.
does PPM help that much with soil?
anyways lemme know if this is an accurate one at all?
http://www.amazon.com/HM-Digital-TDS-EZ-Tester-Purity/dp/B002C0A7ZY/ref=sr_1_1?ie=UTF8&qid=1327986939&sr=8-1
does PPM help that much with soil?
anyways lemme know if this is an accurate one at all?
http://www.amazon.com/HM-Digital-TDS-EZ-Tester-Purity/dp/B002C0A7ZY/ref=sr_1_1?ie=UTF8&qid=1327986939&sr=8-1