- Joined
- Jan 10, 2004
- Location
- Dallas, Texas
Really? You think I haven't read the instructions on CLR? Its designed for nickel and steel. It doesn't do a damned thing to copper corrosion. This is based on first hand experience!RTFM.
And, I would take the block apart if you have the equipment. Most of the common cleaning solutions are geared for cleaning one metal at a time.
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