I am buying this to replace my old Hot Tub RO. Love the result, which it has after years of weekly water flow.This produces about 120 gallons a day.I hooked it up to a 34 gallon tank and after drawing 15 gallons I still have an impressive pressure.A trick I use What I learned from my latest RO is that you need to put a carbon filter and a particulate filter in front of it, and you really don't need to worry about changing the pre-filters annually as recommended.
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