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Make fresh before use—hydrogen peroxide loses effectiveness over time.
For tough spots, reapply and let sit longer.
Use gloves if you have sensitive skin.
Variations:
Add a few drops of lemon juice for natural fragrance and extra whitening.
For mold-prone grout, add 1–2 drops of tea tree oil.
Use an old electric toothbrush for faster cleaning.
FAQ:
Q: Is this safe for colored grout?
A: This method is best for white or light-colored grout. Test a small hidden area first on colored grout.
Q: Can I store the mix?
A: It's best used fresh, but can be kept sealed in the fridge for 1–2 days.
Q: Will this damage tile?
A: No, it’s safe on ceramic, porcelain, and stone. Just avoid scrubbing too hard on softer surfaces.
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