There was one on the Dick Strawbridge programme last Thursday BBC? 8 oclock ish. It was different to the normal rainwater diverter in that it sorted the gunk out of the bath water and let that down the drain and the grey water into a butt. It also fit onto a 4 inch pipe from the bathroom.

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Digger-07

"If you think you can, or think you can't, you're right" Henry Ford.