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Subject:CLR in expansion tank?
From:Mike Collum
Date:Fri, 4 Apr 2008 19:13:18 -0400

I have a spare expansion tank that has a bit of a calcium buildup or
what "Appears" to be such.  Do you think CLR (Calcium Lime Rust) remover
would work in this poly tank?  CLR's site makes no mention of this material.

Mike