marlinspike
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- 1,781
I got good results with HG Mould Remover spray. Used it on bathroom grout and sealant and on upvc window frames. Around £4 - 5.
One of those 50p washing up brushes is good for scrubbing it into the really grotty bits.
One of those 50p washing up brushes is good for scrubbing it into the really grotty bits.