Try picking up some Miracid from your local hardware store. Its very cheap and does an excellent job during veg. Its the only thing I use during veg.
killerweed420 Reviewed by killerweed420 on . nitrogen, urea, and a nitrogen deficiency solution question my plants are under 3 40w and 1 60w cfl's they are in organic soil with 20% pearlite and 10% peat mix they are about 2 weeks old i have not started feeding them nutes yet because the soil says on it "feeds for up to three months" and i didnt want to burn them two of my plants , the largest of the bunch, have leaves turning light green then yellowing from the bottom up and tips in. i believe this is nitrogen deficiency so i have purchased urea and have mixed a small amount into the Rating: 5