Alum as Clarifier and Flocculant – Effect of Alum on Filtration Systems

Although modern polymeric alternatives (eg. poly(aluminium chloride), polyDADMACs and polyacrylamides) are widely available, alum (aluminium sulfate, Al2(SO4)3) is still extensively used as a flocculant for swimming pools and, for that matter, other bodies of water, such as dams, ponds and reservoirs. Alum as Clarifier and Flocculant The role of clarifiers and flocculants in swimming pool … More Alum as Clarifier and Flocculant – Effect of Alum on Filtration Systems

How to Use Aluminum Sulfate (Alum) Flocculant in Pools

Aluminum Sulfate, commonly called “Alum”. Ancient Egyptian hieroglyphics describe the use of “aluminum earth” and first century Greek and Chinese documents tell of mining and use of alum for clearing water. By the 16th century, Alum was in widespread use across England, for treating municipal water supplies. Its use continues to this day in water … More How to Use Aluminum Sulfate (Alum) Flocculant in Pools