Mumsnet suggested using vinegar which has worked to a certain extent. I scooped out the water and filled the U bend with the stuff, left it for a few hours plus a gentle massage with a pumice stone. Google warns against strong acids which may fume dangerously or attack plastic.
There is a proprietary cleaner with phosphoric acid and alcohol ethoxylate.
https://www.nisbets.co.uk/jantex-to...&cm_mmc=PLA-_-806851437-_-42653046675-_-CF983
Any ideas anyone?
There is a proprietary cleaner with phosphoric acid and alcohol ethoxylate.
https://www.nisbets.co.uk/jantex-to...&cm_mmc=PLA-_-806851437-_-42653046675-_-CF983
Any ideas anyone?