The Pulsar® 73250 Precision High Capacity CalHypo Erosion Feeder for Pools is a high capacity erosion (HCE) feeder that is compact and lightweight with a modular design. The feeder uses Pulsar® calcium hypochlorite briquettes (sold separately) that work in conjunction to produce a fresh concentrated liquid chlorine solution for clean and sanitized water. The flexible design allows for easy integration into commercial pools ranging from small to large.