I make my own RO water and we have a water softerner installed that uses corse salt as well. There is no problem using that water at all to make your RO water for your plants.
Zandor Reviewed by Zandor on . TDS,Well Water, and Hardness I was wondering if it was ok to water my plants with some well water...it's chlorine free and the TDS is about 130....and the water is about 8 grains hard (calcium and magnesium)..anyone? Rating: 5