Northern Boxer
Active Member
I have recently set up a new Indoor grow and plan to fertilize organically but my municipal tap water contains chloramine which can't be removed and will kill all microbial activity. I have access to a local supply of RO water which is identified as Natural Spring Water, Ozone, mineral content 229 ppm. Does this high ppm reading mean that the water still contains beneficial minerals or are the completely removed in the RO process? My organic medium consists of pro-mix, work casting, alfalfa meal, blood meal, glacial rock dust, kelp meal, potassium and rock sulphate, green sand and gypsum. Always used chemical nutrients previously so this is new territory for me. Any feedback would be appreciated. Thanks.