# Removing Calcium Deposits in Porous Pool Rocks
Calcium and other mineral deposits are common on swimming pool surfaces such as tiles, plaster, liners and decorative rocks. Some pool owners place rocks near the pool to add aesthetic appeal to their yards and pool areas. Cleaning pool rocks of the calcium buildup involves a mild acid solution and light scrubbing.
Things You'll Need
- Garden hose
- Rubber boots
- Rubber gloves
- Respirator
- Goggles
- Hard-bristle scrub brush
- Pump sprayer
- Muriatic acid
Instructions
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1
Put on rubber boots, goggles, safety gloves and a respirator to protect you from the acid solution.
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2
Mix a solution of 10 parts water to one part muriatic acid in a pump sprayer.
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3
Wet the pool rocks with a garden hose. Spray the muriatic acid solution onto the rocks. Allow the solution to soak into the pores of the rocks for about 30 seconds.
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4
Scrub the rocks with a hard-bristle scrub brush. Work in small sections. Rinse the rocks thoroughly with a garden hose on a high pressure setting. Repeat if necessary.
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1
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