Can I use aluminum sulfate in a swimming pool?
Can I use aluminum sulfate in a swimming pool? Aluminum Sulfate, commonly called “Alum”, has been used for thousands of years as a water clarifier. “Floccing” a swimming pool with aluminum sulfate was a popular way to clear extremely cloudy or swampy pools, up until the creation of polymer pool clarifiers. What does aluminum sulfate do for pools? Alum, short for aluminum sulfate, is a flocculant, meaning that it attracts and traps suspended particles in the water and then sinks them to the bottom of the pool so that these particles can be vacuumed out. How do you clear up...