Whats causing my leaves to have a blueish color?
Plants are 6.5 weeks old. 1kw MH. Soil is 40% FFOF, 60% FFHF, mixed heavy with perlite. Temps are 64 at night, 74 during day. Water is rain or RO. PH is a little high. Very lite nuets: Usually a full dose of CalMag, although there have been...