So this is my 3rd grow, first time growing an auto.
Grim reaper auto 8 weeks from seed in dwc using green planet dual fuel line.
pH has been dropping to 5.6 in the last few days and the ec has been 1.6- 2.0.
Temps stay between 19c lights off and 24-26c with lights on, humidity 40-50%.
Res temp...