Lisyee Replacement Mineral Cartridge + Bromine Cartridge Kit Compatible with Hot Tub Frog Serene Floating System - 4 Months - (1+5) Packs

["1️⃣Universal Compatibility‌: These Hot Tub Mineral and Bromine Replacement Cartridge is compatible with FROG Serene Floating System for Spas up to 600 gallons.","2️⃣Deliveries Clean Water: Slow-release technology maintains optimal water clarity with reduced 50% less *Bromien levels.","3️⃣Long-Lasting Water Clarity: Keep your water crystal clear for Includes 1 Mineral Cartridges and 5 *bromine cartridges, Mineral cartridge lasts 4 months and each bromine cartridge lasts 2 to 4 weeks depending upon hot tub size and usage.","4️⃣Water Care‌: Combines *Bromien work with minerals dispersion to balance p H and soften water, enhancing user comfort. Easy setup.","5️⃣Service Guarantee: If you have any questions about cartridges, please feel free to contact us, we are committed to offering high-quality products and providing efficient customer service."]