HASA Algi Control Concentrate | 32oz | 72121 Strainer Cover For Pentair Challenger this durable assembly provides a

this durable assembly provides a secure and exact fit for your skimmer opening

and screw for easy rebuild and maintenance

Reconnect communication cable from pump

ensuring long-lasting performance in outdoor environments

Preventing Air Buildup and Pressure Problems

HASA Algi Control Concentrate | 32oz | 72121 Strainer Cover For Pentair Challenger this durable assembly provides aHASA Algi Control Concentrate 72121 is a 32oz potent algaecide formulated to combat and prevent the growth of yellow and green algae in swimming pools. This concentrated solution can be added directly to the pool water or through the circulation system, with optimal results achieved by targeting areas most affected by algae and around the pool's perimeter. It is compatible with most common pool maintenance chemicals; however, it should not be mixed