I hear that precipitation hose down be worthy for plants. But mine turned rather green. Is it undamaging to use? I made a catch about three weeks ago and caught over 6...

I made a catch about three weeks ago and caught over 6 gallons of precipitation water.

I put them in behind the times empty clear water containers and walk off them outside.
Answers:    It's just algae. If you keep your containers surrounded by the dark, it will slow the growth of algae.