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Usually metal particles cause rusting are in the pool they need to be found by vacuuming well or a magnet,If they are tiny spots you may have metal in your water .You should anytime you add large amounts of water to your pool add a metal out to capture small particles and filter them out. To remove them if you are going to drain your pool in the near future you should have it professionally Acid Washed. If you want to spot clean yourself. Take an 1 1/2 length of PVC pipe that you can hold on the rust while you are outside the pool.Carefully add dry or liquid pool acid into pipe the pipe so it settles on the spot, Wait a while scrub with a brush and repeat as necessary checking the PH of your pool and adding PH up to a different end of pool to keep your Ph in check. Too much acid in your pool will corrode all metal from bobby pins to your heater and pump.

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โˆ™ 2005-12-03 20:48:26
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Q: What can cause rust spots on plaster pools and how do you get rid of them?
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What causes small rust spots to appear on bottom of a pool and how do you get rid of them?

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