Problem solved with the Cubika. Turns out that one of the plastic pipes was becoming blocked because the water had started to build up a furry-type lining on the inside of the pipe. Cleaned out and all is well again.
@Sam started
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Problem solved with the Cubika. Turns out that one of the plastic pipes was becoming blocked because the water had started to build up a furry-type lining on the inside of the pipe. Cleaned out and all is well again.