Pure Simple Purify sticks are a slow-release sanitizer stick that will keep pool water safe and clean, while protecting from bacteria and preventing algae when proper levels are maintained (1-3ppm free chlorine)  They can be used in the skimmer or automatic chlorine feeder.

Available in 2 kg buckets

Dosage: Approximately one stick per 40,000 liters of water weekly.*

* There are many factors that affect how much chlorine is needed to maintain 1-3 ppm. Always test your free chlorine level often and adjust dosing as needed.