Is patina on inside of a refrigerator condenser tube is harmful?

Sheikh Jaber Nurani @Sheikh-Jaber-Nurani

06 May 2017 0 9K Report

We use 4 mm copper tube as refrigerator condenser. Due to long time storage, inside of the tube was changed (patinated) and became dark, green etc. Picture of the patinated tube is added as attachment.

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