Leisure Time Instant Cartridge Clean 12 Pack, Pool Filter Cartridge

Quickly removes oil, grease, and calcium buildup from your pool filter, ensuring it operates at peak efficiency. Convenient and effective solution when you don't have time to soak the filter cartridge, helping you save time and effort in maintaining your pool. Blue color indicator shows where the product has been applied, making it easy to see the coverage. Compatible with all common sanitizers, including chlorine, bromine, ozone, and biguanide. Use this 12-pack of Instant Cartridge Clean monthly or more often between deep cleanings with Leisure Time Filter Clean to keep your filter in top shape.