what is a safe PPM tap water for DWC?
im currently using RO at 0ppm... but, i would like to not have to buy so much water... the water straight from the tap here is 130ppm, and i would love to just let it sit to evap the chlorine.
My first grows i used my tap water straight from the tap to the soil with no ill effects. but. im just curious the "dangers" of this. (ill let it sit 24 hours before using)
everyone always says not to use tap, but they also report ppm's in the 300ppm range.
im currently using RO at 0ppm... but, i would like to not have to buy so much water... the water straight from the tap here is 130ppm, and i would love to just let it sit to evap the chlorine.
My first grows i used my tap water straight from the tap to the soil with no ill effects. but. im just curious the "dangers" of this. (ill let it sit 24 hours before using)
everyone always says not to use tap, but they also report ppm's in the 300ppm range.
