Excessive Anion DI media usage

[QuickrdenU]

I guess this post is for someone smarter than me when it comes to chemistry and RO systems. I’m thinking @Randy Holmes-Farley or @Buckeye Hydro ??

I have a full RO/DI system installed after my whole house water softener with whole house sediment and carbon filters. I go through Anion media like crazy. Maybe every 100 gallons I’m changing it out. The mixed gets depleted rarely, usually only after the Anion media is spent, and I never see a change in the cation media. Cation media is first, then Anion, last is mixed ion in order of flow.

My question, is this happening because of my water softener? Or is it unrelated? Should I bypass the softener while making RO water to extend the life of my media? Will that work? Or is this all completely normal? I don’t know the science. I’m on a community well with pretty clean water. Maybe high in iron and they definitely over do it with the chlorine.

Thanks!

 

[KStatefan]

Check for CO2 in your well water.

 

[Randy Holmes-Farley]

I agree that CO2 is the typical explanation for rapid anion depletion. Not many things can deplete anion only.

 

[QuickrdenU]

I agree that CO2 is the typical explanation for rapid anion depletion. Not many things can deplete anion only.

So if that’s the case, I guess I just have to live with it?

 

[Randy Holmes-Farley]

So if that’s the case, I guess I just have to live with it?

No, there are ways to deal with it, such as degassing prior to sending it to the RO/DI. It's a common problem that you will find lots of threads about.

 

[QuickrdenU]

No, there are ways to deal with it, such as degassing prior to sending it to the RO/DI. It's a common problem that you will find lots of threads about.

Ok I appreciate it! I'll search now.