R/O Unit Question

[studogg]

Haven't changed my filters in over a year. Yet TDS is still at or near zero. Should I be concerned?

I used to have to change the filters every 6 months or so.

 

[disc1]

Zero TDS is the qualifier. If you have extremely clean feed water (like mine, I bet close to half of you refer to my tap water by it's other name: Dasani) then your filters will last longer. I still change my carbon and fiber about every six months or so, but my RO and DI stages last forever.

 

[kissman]

"still at or near zero"

have you tested it or are you guessing? I change mine about every six months and RO filter once a year. I change that when my resin starts getting used at a faster pace.

 

[studogg]

Tested vs. tap water. Tap water is 120tds. R/O water is 2.

 

[kissman]

I replace my filters when i see 1

 

[Hnguyen85]

Tested vs. tap water. Tap water is 120tds. R/O water is 2.

.2 is still acceptable but you might be in the market pretty soon. Also depends on what your ro/di unit is rated for and how much water you filter. I haven't changed mines in almost 2 years and I'm still reading 0 TDS. I use about 200 gallons a month and my ro/di unit is rated at 750 GPD at 50 psi. So I still have years of use left in it.


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