Looking for an easy, low-chlorine way to keep your spa water clean, fresh, and crystal clear? The Frog Ease Blue Mineral Cartridge and Frog Cartridge are the perfect solutions! Designed to work with the Spa Frog Mineral Cartridge, this system provides continuous bacteria protection while reducing chlorine use by up to 75%, giving you softer, gentler water. The Frog Mineral Cartridg... https://www.poolsplusmore.com/collections/frog