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A Cure for a Flush with no Gush
Kevin Rush writes:
When the Beast from the East threatened frost-damage to my Murvi, I drained the water tanks and heating system. After the cold spell had passed, I foolishly refilled my tank without first cleaning and flushing it out. As a result, when I primed the flush on my Thetford C200 toilet, brown gelatinous debris was pumped out of the water outlet.
Full details of the cure: