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Remove Limescale Easily With A Common Household Item
You can easily and affordably remove limescale — the chalky buildup of calcium carbonate in kitchens and bathrooms — using a common household item: hydrogen peroxide.
For this hack, a household concentration of 3% hydrogen peroxide will suffice. To remove limescale, fill a spray bottle with hydrogen peroxide and totally douse the affected areas.
Allow the solution to sit for 15-30 minutes, then wipe it off with a damp sponge or microfiber cloth. This method is ideal for large surfaces like shower doors or faucets.
For more stubborn limescale, create a paste by combining a ½ cup of baking soda with 5 to 8 tablespoons of hydrogen peroxide, and apply this mixture to the heavily stained areas.
Let it sit for 30 minutes, then scrub it off with a soft-bristled brush and rinse thoroughly. Handle the peroxide carefully to avoid respiratory issues and skin or eye irritation.