Lisyee Mineral Cartridges + Bromine Cartridges Compatible with Frog Serene Floating Mineral Bromine Cartridge System (Includes Green Floating Caps) (1+3 Pack)

Additional Details from the Manufacturer

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More features

• 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 3 *bromine cartridges, Includes a green Floating Caps, 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.