No it doesn't.
Tap water carries dissolved minerals such as calcium, magnesium, sodium, and potassium, along with most commonly nitrate, phosphate, bromate, and other ions. Allowing it to rest doesn't remove the minerals.
These are at levels safe for human consumption but my interfere with a hydroponic system.
stinkyattic Reviewed by stinkyattic on . Using Rain Water when Possible It's pouring so hard here right now i couldnt pass up the oppurtunity to get some fresh rain water for my plant :D Rating: 5