Hey @hippy cheers for the quick reply... Should have mentioned the one by the dropout is for drainage (I think) and has always been there it's the those other almost like pin prick ones that are of concern and the ones that look like they're forming in the first image but not yet come through.
Hey @hippy cheers for the quick reply... Should have mentioned the one by the dropout is for drainage (I think) and has always been there it's the those other almost like pin prick ones that are of concern and the ones that look like they're forming in the first image but not yet come through.