RO/DI Unit?

Hello everyone. Looking to invest in a quality, yet affordable RO/DI unit. It would appear that the stage 4 from BRS is a fan favorite. How is the water in San Diego and would I need any accompanying filtration pieces to completely purify? Thanks in advance.

I think u can call ur water district and ask for the most recent water samples results in ur area.


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I got one from marine depot and you get a 15% discount on filters for life. Im happy with the unit so far!