Retteach66

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I have a 30 ft above ground pool, holds 20,000 gals of water and is 4 years old.
We use a Hayward pro series above ground sand filter/pump. Single speed.
We have used Baquacil products since the beginning, don’t want to use anymore.
Last two years have opened to white mold problem.
Have purchased Taylor K2006 Test kit.