RO/DI 0 ppm 6 stage

Just looked it up. There is a reason other shops sell what appear to be the same thing that cost twice as much. Long run cost will add up and in the end you will spend more with the cheaper system.

I would only purchase a RODI system that includes a Filmtech 75gpd membrane and a refillable vertical DI cartridge. That system doesn't have either. Either way its better then tap and will produce good water as long as you keep up on the DI. It will exhaust DI quickly.

For example, they sell a triple di setup to guarantee 0tds with interval at 500gallons. My RO produces 0tds on a single di cartridge for probably 2000 gallons. The membrane is something like 2-3 years old and should last 2 or so more years. Obviously initial water quality is a big factor but a couple extra tds out of a less efficient membrane burns through di very quickly.
 
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