Recent content by sam71

Thanks John. Still don't understand why the black stuff doesn't come out of the hot taps too. Is it building up in the cylinder? St0rmer66 - it's a plastic tank. Cheers

Hello, I recently turned on the cold water tap in the bathroom and a lot of mouldy dark green gunk came out. In the past there have been the odd few grains of black stuff, but this was considerably more. I realise that there is a problem with the header tank in the attic. We have a mains cold...