You can pick up a good quality metal remover at your local pool store. be sure to follow the instructions to the letter. most require you to add the product, put pump on whirlpool/recirculate for 6hrs, turn off system for 8 hrs then vacuum on waste. the product i sell works fantastic ... if you follow the directions.
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You can pick up a good quality metal remover at your local pool store. be sure to follow the instructions to the letter. most require you to add the product, put pump on whirlpool/recirculate for 6hrs, turn off system for 8 hrs then vacuum on waste. the product i sell works fantastic ... if you follow the directions.