NU-CLO ALUM FLOCK 5 LB PAIL ALUMINUM SULFATE FLOCCULANT Review
NU-CLO FLOCK 5 LB PAIL ALUM - A4316 Alum (aluminum sulfate) is used in water treatment. The addition of alum to raw water causes small particles and colloids to stick together and form heavier particles (floc) which will settle to the bottom. This process is called coagulation or flocculation.br /br / Alum is great for treating pools with poor water conditions and Alum can lower phosphate levels. If you can't see the bottom of the pool - alum may be the trick. Removes suspended algae, dirt, debris etc. and settles it to the bottom. (follow directions on the pail) After this process you vacuum to waste the settled gelatinous material - out of the pool.br /br / Use 1-2 lb per 5000 Gallons, depending on how bad the pool water looks. Alum works well with equal amounts of shock chlorine to bring back a swampy pool. First remove debris (leaves, twigs, tires, etc) and lower pH to 7.0. Add shock and alum until water turns blue-gray color, then brush and shut off filter overnight. The next day, the pool should be clear, then slowly vacuum to waste the floc. Read more...
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