Or just collect rainwater...
TANKJR Reviewed by TANKJR on . CHLORINE OVERDOSE I grow pot every year since I was 14, now I am 50, and I love to grow plant of all kinds. they all look nice. green and healthy. a lot of people that I know that grow ask me to look at there plants, and I tell them I am not a botanist, but I will look, and most of the problem originates from the same place, the tap water they are using. if you are using water strait out of the tap "STOP". first off it can causes lockout. it creates a very deceptive looking deficiency. purple in stems and Rating: 5