From the pictures they appear to be over watered. Make sure the soil gets fairly dry before rewatering. Cannabis requires oxygen to be absorbed through the roots, thats why you want the soil to be well drained.
killerweed420 Reviewed by killerweed420 on . Sickling pix First time growing, trying to feel it out before getting into anything to serious. Bag seed couple regs and mids. (Plan on ventilation and better lighting for flowering if I can get that far.) Made the mistake of using clear/ undersized (9 oz) party cups because I had some on hand. Then discovered my distilled watered may cause deficiencies due to lack of minerals so I switched recently to filtered sink water left out at least 24 hrs. I don't have a good Ph tester (cheap 3 in 1 moisture Rating: 5