rodi issue

I’m running two carbon, one paper, one membrane, and one DI canister. I just replaced everything as I’ve recently moved and I’m on well water. I bought a higher quality membrane and it’s typically 5 ppm before hitting the DI. Based on what I read it sounds like that’s on the money. Problem Is...

Simple question, if a TDS meter is reading 0 on output source water , the membrane is 2.5 years old and the other filters are about 8-9 months old can harmful bacteria grow on those filters contaminating the water? Why should you change the filters even if tds is reading 0?

Hello All, Ive been having some issues with my tank, through ICP testing and regular testing I ruled out all obvious issues. Literally the only thing I havnt done was change out my RODO filters and membrane. I have a 6 stage RODI filter system 150 GPD from BRS. My TDS meter reads 0 and ill post...