but i do kno a proper flush is three x ur pot size [ie 2gal with 6gal] and by harvest in a plant with soil the leaves should be yellowing
caligrown82807 Reviewed by caligrown82807 on . Ph and ppm at Harvest Hello all This is my first grow . This site and you peeps have been the greatest :thumbsup: I have a couple of plants ready for harvest any time now :rastasmoke: I have 3 questions 1 - the ph of my soil runoff is around 5 :mad: .I have been feeding with a ph of 6.8-6.9. my question is,how high can i safely ph my water to compensate for the low ph in my soil? 2 - the ppm in my soil is very high as well .I am now flushing the plants. What kind of ppm do i want to see at harvest time? 3 Rating: 5