I buy almost everything on ebay and amazon few weeks a grow i picked up a guardain blue lab meter for 160.00 it was use but in perfect condition. Nuits/soil i get local tho always looking for the best quality eqeptment for the lowest
well fist you gonna need something like a bluelab guardian to monitor your water temp and ph and ppm the growth can be slowed for lots of reasons like water temp too low or too high idealy you want 5.6-6.3 ph and temp between 67-71f ppms try and keep em under 400 another major thing is air...
think about how many ppl grow it's like that lotery only not fun got that 1 in a billion chance... tho fuck the feds..i know few law frims that do class action on the subject and they can do laps around the feds with the law.. technally weed was never outlawed becuase you can't Ban plants you...