Quote Originally Posted by Cornelius
You do want to leave your water out if you have city water, as the chlorine they put in it is bad for the plants.
Why? What's going to happen? They gonna die, slow down, get gassed?

Well, then I must have super chlorine/flouride resistant strain of plants because it never hurt them in the least. I have city water, 550-700 ppms, chlorine and flouride, and I never let it sit out. It's a waste of time.

I know that myth is perpetuated by alot of people who have never tried it themselves. I've used RO water as well and there was no difference except in cost. I don't have to tell you which one was more money. So, do what you want.
Perp Reviewed by Perp on . Couple simple questions... I'm on my new grow, about 10 days through veg state under two cool white CFLs (the 150 watt equivs). The box is 1.1 sq feet, and is covered on the inside with 1 mm mylar. Anyway, the plants are about 2" high now, and 2/4 have begun third leaf nodes. 1) The first leaves are looking a little yellowish around the brim of the leaves. Ideas? 2) I'm watering them until the soil is damp once a day with tap water left to sit out for 24 hours. The containers they are in drain excess water out the Rating: 5