Copper Corrosion – Staining/Metallic Taste
Issue
Blue stains can be seen in wash basins, baths and showers. The water out of the tap is cloudy and sometimes a slight blue colour. The water sometimes has a metallic taste.
Water Supply
Rainwater is from a plastic lined concrete tank (the original tank had a leak).
Action
The water tested for pH, hardness and for the presence of copper.
Outcome
The source water was tested and found to be conducive to copper corrosion. A copper test of the water confirmed a higher than normal level of copper. Corrosion of copper pipes is not uncommon. The water was buffered to reduce the aggressiveness of the water and corrosion of the copper pipes.
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