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If you don’t have vinegar, use hydrogen peroxide instead. Mix ½ cup hydrogen peroxide with 1 tablespoon baking soda and apply directly to the stain. Let it sit for 10 minutes before scrubbing.
FAQ:
Q: Can I use bleach instead of vinegar?
A: You can, but vinegar is safer and more eco-friendly. Avoid mixing bleach with vinegar or ammonia—it produces toxic fumes.
Q: Why do black marks keep coming back?
A: Persistent marks could be due to mold, hard water, or mineral deposits. Consistent cleaning and possibly a water softener can help reduce recurrence.
Q: Is the pumice stone safe?
A: Yes, when used wet and gently. Test a small area first to ensure it doesn’t scratch your toilet surface.
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