Search:

Same like me, only me is got stomache upset and diarrhea for almost 2 weeks, other family member no affect.
I chek my RO PH is 5.5, and before purchased RO unit I already knew RO PH is acid, so...

No response. So found my self.

Simple, incrase filter just installed Alkaline filter for plish the RO water.
GAS, maybe oxygen or hydrogen, maybe affect from hexagonal filter not really sure,...

Your membrane work fine.
Any other filter installed after membrane? if have, try to remove it.

My feed water:
- well water with whole house filter for sediment installed, no softener and no chlorinator.
1) 5 micron polypropylene wound
2) 0.5 micron polypropylene...

I copy this from my RO System manual. This for first time use and after change the filter. Maybe it can help you.

A.With everything connected, turn on the water check for leaks.
B.Make sure the...

Thanks for the info.

What is different? and which type is better for feed water from well?
For RO System use, which type is the best?
Thanks.

Is the Greensand+ have service life?
What is the affect if the feed water have no/bit iron or mangan contained (consider good water), can it make feed water become "bad"?

Closed.
Found the answer.
GAC is granular.
CTO, Chlorine Taste Odor, usually Carbon BLock.
Might be I will use Carbon Block.

Thanks.