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Window Cleaning Forum / Re: Di vessel on Ro system.
« Last post by JandS on February 09, 2026, 05:52:42 pm »Just surprised it's coming out at 0 ppm......used two tds meters to double check......bet I haven't changed the resin in nearly 2 years....when I looked at the resin today it was still that golden yellow.......any idea how the thing in the Di vessel cap comes out?
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