💦 Dive into effortless relaxation! Never guess when to replace; our cartridges flip when empty! Maintain crystal-clear water with a steady 0.5 – 1.0 ppm chlorine level. Minerals last up to 4 months, ensuring long-lasting freshness. Includes a Hot Tub Water Balance Guide for expert tips and troubleshooting. Enjoy a hassle-free spa experience with our low-chlorine system. Low-chlorine system 4-month mineral lifespan Smart replacement indicator The Number 1 in Service Frog Replacement Smart Chlor Cartridges 3 Pack offers a low-chlorine spa sanitizing solution, ensuring your hot tub water remains clean, clear, and soft. Each pack includes three refill cartridges and a comprehensive water balance guide, making maintenance simple and effective.
