Thxs. Will do. Isn't there a tool people use to remove it as well?toothbrush and bleach.
I'll give it a go after neat bleach pushed push into grout with kitchen rollIs the dirt mostly mould? Maybe something like Cillit Bang mould cleaner is the best place to start.
So best to try cleaning first I guess.Removal tool, hard work.
https://www.diy.com/departments/heavy-duty-grout-remover/38100_BQ.prd
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