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Iron residue forming on DA tank sight glass

Wednesday, September 20, 2017   By: Tfret [2179] 0 Stars
I have a problem with iron residue forming inside the sight glass tube on my DA tank. I have an excellent water treatment program and my water only contain 0.1ppm iron. My sight glass requires cleaning about every two weeks or I can no longer see the water. Can anyone explain this?

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Thursday, September 21, 2017   By: Murphy [21] 4 Stars
I wish to give this a try...the iron stains in you DA Tank site glass are likely coming from your condensate piping and or condensate tank and or your makeup feedwater. I cant comment on your water treatment program, but the chances are pretty good your site glass and DA Tank are capturing most of the iron by platting out based on what information your gave.

So, it seems to me the source of iron oxide corrosion that is causing the iron stains in you DA Tank site glass are likely coming from your condensate piping and or condensate tank and possibly your makeup feedwater piping. Where ever it is coming from is likely to have a rich oxygen level in the water.

If it is you water treatment program should include condensate treatment, but that is where I would start investigating the source which seems to say there is a bigger problem out there.

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