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Phosphates in my ro water

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Yes if you only have reverse osmosis.

do you have ro water or ro/di water?

the di part of a unit adds cost but removed those ionized particles for as close to pure water we can economically afford.  


even rodi water isn’t truly pure.  That stuff is expensive and generally only useful in lab environments…they call it 18 mohm because that’s pure waters electrical resistance.  

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I have two brandnew membranes I have the 150 brs rodi I put it for 200 gallons with brs recommended the 800 rather than the 650 to match the membrane flow it is rating y di like every month I need to change it I'm going thru the cor changing resin abut a half pound a month 

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