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Old 11-17-2001, 01:15 PM
Arthur Dalton Arthur Dalton is offline
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Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,768
Commercial refrigeration guys use an oil/soap solution that
comes in a conainer with a ball swab that is simply a leak detector that is coated on fittings after a
repair to double check for leaks at fittings that have been reassembled and it is green in color.
Possibly it was used . If so, nothing to worry about.
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