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sukh
February 22nd, 2005, 06:38 PM
how long should the DI resin last for........im thinking of adding a DI stage to my system...just want to know its worth it?
Duce
February 22nd, 2005, 07:55 PM
I change mine once a year.
CroatianGuy
February 22nd, 2005, 08:40 PM
you'll know when your TDS goes up
Sergio
February 22nd, 2005, 09:12 PM
It depends on how bad your tap water is.
If your tap water is about 175tds most Di cartridges are only good for about 300 to 500 gal's. :read: