Recent content by fishent

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    Adding Alum to clarify the water

    Our pool (100,000 liter (28,000 gal) lap pool) was getting cloudy, so we added some alum to get the cloudiness to precipitate or coagulate so it would drop to the bottom where we could vacuum it up. We did this a year ago very successfully, but this time it has taken 3 days and still isn't...