I'm not saying it's not impossible but most machines in stores are only RO and not RO/DI because there is great debate over whether RO/DI water should even be consumed by humans. It would be nice if you had a TDS meter to test the water yourself.
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150 gal Custom. Born 5/7/07. 2-29 gal sumps. 30 gal frag tank. 20 gal refugium. PFO Solaris Lighting.
My Tank Thread
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