BLUE WATER PROBLEM. HI, I HAVE A PROBLEM WITH MY DOMESTIC WATER SYSTEM , A BLUE RESIDUE FORMS AROUND THE BATH AND SINKS ETC . SOMETHING I GUESS TO DO WITH THE COPPER PIPES, DOES ANYBODY KNOW HOW TO CURE THIS PROBLEM? I AM NOT ON THE MAINS , MY WATER COMES FROM AN UNDERGROUND SPRING , AND IS NOT ACID...
