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4. Rinse with water.
Result And there you have it, the tile joints have regained their whiteness.
The tiles and the bathtub received the same treatment. No more dirt! It’s still cleaner like that, right?
You now know how to clean tile joints that have turned black.
This homemade cleaner works equally well for the floor, bathroom, kitchen, shower and wall or floor tiles and earthenware tile joints.