Hi
I would like opinions please, on the green residue, on the copper pipe for the shower, that was installed recently. As per the photograph attached, is this likely to cause issues/corrosion/leakage in the future? My concern comes from a simple Google search, which tells us that a new copper pipe, shouldn't look like this and will cause problems in time.
The company who recently fitted it, claim it's ok and nothing to worry about but I'm not convinced and would like some opinions on it please if anyone has time.
Thanks in advance
Andy