4 stage RO/DI needs changing but which filter(s) ??

[kien]

Originally Posted by christyf5

LOL I guess. I usually start with the canister filters, then check the TDS, then replace the DI if it needs it. Lastly comes the RO if the others don't fix it. No sense in spending the money on a new RO if you don't have to.

Ya good point about the RO. I did read that those should last a while longer than the other resins. Guess that's what I'll be doing this weekend, hunting filters.

Thanks!