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The best way do eliminate scaling is to drain and acid wash the pool. Period. There are several products that claim this can be done but the expense is not worth it. $140 worth of chemicals for lousy results. A pool company will do the drain and acid wash for about $100 more and it will look brand new, PLUS, refilling the pool you'll have the opportunity to gets the chemicals balanced from day one.

The best process to try to avoid the draining and do it yourself is not easy and is very labor intensive, and often the results are not ideal.

You will need to start by dropping the overall pH in your pool to below 6.5. Adding muriatic acid about a 1/2 gallon a day will do this but it is not recommended during swimming season. (bad for the skin and eyes) There is also the expense of the acid at about $9 per gallon. It may take SEVERAL gallons across several days to acquire the 6.5 or lower pH level. Remember only a 1/2 gallon a day on most average sized pools, otherwise the acid will eat away at the metal components in your equipment.

Also if doing this in winter time, turn off any heater equipment, low pH will hurt the heating element.

Then once the pH is low enough, brushing daily with a stainless steel sweeping attachment is necessary. After about a week or so the scaling should soften.

Often times some 300 grit wet/dry sand paper is needed for the bad spots, but good luck getting to them with not wanting to get in the pool.

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13y ago

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