Main Line well filtration

[Doug]

My concern with something like a 5 or 10m on the main, is slowing down the pressure to much, which is just barely high enough for the ro system without a booster.

[mark]

I'm on City of Edm water and when I change my pre-filters about every 6 months (recommended interval) they're always very red and the there's little iron in the source water (quality report).

Might be normal?

[jzz30tt]

Also note that iron isn't usually in a sediment when it's coming up from a well. Depending on what he's seeing (ie whites in the laundry going blotchy yellow or uniformly yellowing) it can be dissolved iron or iron bacteria.

Each has it's own treatment process. For dissolved iron you can get away with something as simple as a chemical-free (air contact) iron filter which is going to break the iron out of solution by injecting air into the main. The air contact allows the iron to break out of solution and is then filtered as sediment. Small amounts of iron can sometime be reduced by the use of a water softener that is mean to remove iron (only difference from a regular water softener is that the bed is fluidized during the backwash cycle and is circulated from the bottom to the top of the tank) or else by a manganese greensand iron filter using potassium permanganate as a oxidizer to break the iron out of solution.

For Iron bacteria you need a little bit of a different approach. The usual method of dealing with it is chlorine injection and contact time. Chlorine is injected at a concentration of 1 ppm in the main water feeding the house. It is then fed through a contact tank giving it ample dwell time to do it's job and is then removed with an activated carbon filter.

Hope you can get it dealt with!!

Disclaimer : This is all with reference to dealing with rural well based water but has application to city supply as well.

[Doug]

http://www.canreef.com/vbulletin/sho...water+softener


Ok. Here is the previous thread with the pictures. Except for chlorine or shocking, we are doing all the rest. The system is working perfect. Seems most all is being removed.

BUT, his mail line filters look like the pic. Currently using 10m filters. The only thing we are wondering is> Would a 30m allow some of this to pass as opposed to the 10m.

Guess I will just take the 30,s back and get 10,s and be done.

Thanks for the advice again guys.

[mark]

Originally Posted by Doug

http://www.canreef.com/vbulletin/sho...water+softener


Ok. Here is the previous thread with the pictures. Except for chlorine or shocking, we are doing all the rest. The system is working perfect. Seems most all is being removed.

BUT, his mail line filters look like the pic. Currently using 10m filters. The only thing we are wondering is> Would a 30m allow some of this to pass as opposed to the 10m.

Guess I will just take the 30,s back and get 10,s and be done.

Thanks for the advice again guys.

hey I responded to that thread, at least I'm consistent.

[Doug]

Originally Posted by mark

hey I responded to that thread, at least I'm consistent.

Thanks Mark. I just took the 30,s back today and switched for 10m plus a couple of 5m to try.

[Slick Fork]

Why not add another filtration cannister and do a 30, then a 10, then the water softener?