Does anyone know how to clean grout lines between indoor tiles?? Ours are looking a bit dark in places and i want to give them a good cleaning but mopping isn't doing it anymore. Not sure what else to try.
Bleach and a scrubbing brush (or toothbrush if you are as pedantic as I am!). Not very healthy or environmentally-friendly, but it really has been the only thing that has worked for me for really stubborn grout (when we moved into a unit a couple of years back I thought the grout was dark grey, only to find out that it was, in fact white and just disgustingly dirty!!).
Pop the bleach on the grout and leave for an hour. Then start srcubbing. Just make sure you have mats and towels down so you don't walk with bleached feet in the house!
Straight vinegar on the tile lines, leave then wash with hot water. If the stains still don't come off you can get tile paint (as the grout could be aged and discoloured) from bunnings in a range of colours.
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