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Feature

Low-chlorine spa sanitizing cartridge maintains a consistent 0.5 - 1.0 ppm free chlorine level at all times
Shock only once a month and use up to 75% less chlorine
Floats in spa water and flips over when empty, indicating the SmartChlor cartridge needs replacing
Lasts 3-4 weeks in spas up to 600 gallons
Designed for use with Spa Frog @ease Mineral System - Mineral Cartridge not included

Description

The King Technology Floating SmartChlor Cartridges help to maintain a steady presence of chlorine in your spa, keeping your water sanitized and safe.