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Hydrogen peroxide!
Totally nuked some moldy black spotted white grout with this stuff in a rental when I was leaving it a few years back. Fantastic stuff, comes with lots of warning messages on the label. Makes your hair blonde too.
what are ways to clean white grouting and keep it clean please.
thanks
francine
Elbow grease comes to mined.
Gerd
I sprayed straight from the bottle onto the mouldy and blackened grout in the shower - waited for 10 minutes, then I jumped into the shower to wash the walls down. Lo & behold I looked again an hour later, the grout and tiles were white!!! - almost as new.
Hi Babushka,
I'm a bit confused. Did it turn white during the hour after you washed it down? Or was it white after the initial wash off?
Sounds like an easy solution.
The grout turned white (clean) during the hour after I washed it down.
Thanks for the explanation. I mentioned it to a friend who has also done it this way and they said Domestos burnt her boarders feet after she used it once.