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I have found the best top feed system available Check this out this is known as the H2ORING Works Fantastic easy to clean and the flow rate is incredible no clogging here these H2ORINGS will last forever they are very tough - indoors and outdoors can be setup with pipe or hose Awesome...

How do I get my RO water to be at the ph level I want but still have a TDS level of 0 ? If the RO water from the tap has a ph of 7.6/8.1 and I need water to have a ph of 5.5/5.8 When I add ph down to 100 gallons of RO water to get my ph to 5.9 my PPMs go to 600 Do I have to ph the water before...

When making new clones and using RO water with a PH of about 7.8 and a ppm of 0 I am addinng a liitle bit of Avanced Nutes PH down -- when I get it PHed down to 5.4/5.5 my ppm go to 1580. is there an issue with no ph buffers in the water ? what can I use to down my PH without raising my PPMs...