

| 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
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