Chlor Pel® is an EPA approved, blended pellet, designed to disinfect and destroy certain disease-causing organisms found in water. It is formulated for use in new wells, wells that have had service work, cisterns, storage tanks and water lines. Chlor Pel® is compatible with most brands of dry pellet chlorinators to prevent or treat iron algae, harmful bacteria, disease-causing pathogens, hydrogen sulfide and other odor-causing agents.