Foaming is more likely to occur in spas and hot than than in swimming pools. Soft water (low calcium hardness), algicides, and high total dissolved solids caused by lotions creams, shampoos, and the like can all cause excessive foaming. It's definitely a good idea to balance your water before purchasing a defoamer. Pranksters have also been known to add detergents to spas, hot tubs, and swimming pools.
The Pool Pump • The Filters • Sand Filtration • D.E. Filtration • Cartridge Filtration
Water Chemistry • Popular Disinfectants • Chorine • Calcium Hypochorite • Sodium Hypochlorite • Stabilized Chlorines •
Bromine • Other Disinfectants • Water Balance • pH • Total Alkalinity • Calcium Hardness • Total Dissolved Solids •
Balancing Pool Water • Water Testing • Pool Vacs & Sweepers •
Pool Maintenance • Daily Chores • Weekly Chores • Solving Common Problems • Cloudy, Milky Water • Malodorous, Irritating Water
Green Water • Red or Brown Water • Blue - Green Water • Blue or Black Water • Pump Problems • Sand in Pool •
Excessive Water Loss • Excessive Foaming