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flapjack1439
08/12/2014, 07:58 AM
I have a 5 stage RODI unit. I haven't changed the filters in a long time and don't remember what they are. Of course there is the RO membrane and DI housing which leaves 3 other filters.

I have 2 Pentek P5 - 5 micron sediment cartridges and 1 Pentek C1 Carbon-Impregnated (didn't mean to get racy) Cellulose cartridge. I imagine some form of these are what's in there now, but maybe not.

What belongs in there. I do not use a ton pf water so they last pretty long.

Any recommendations?

I'm on well water with an iron filter and water softener before the rodi.

SpectraPure
08/12/2014, 05:02 PM
does your system have two DI stations, or one?
I suspect you should have
sediment 0.5
carbon 0.5
carbon chor plus hi chlorine removal
mem-sp-90 membrane with new flow restrictor
silica buster high capacity color indicating

bruce