HOTUBJOY Hot Tub Silver Ag+ Mineral Ion Cartridge Stick for Spa, 4-Unit Gray for 16-Month Supply – Compatible with Traditional Non-IQ Systems (

HOTUBJOY Hot Tub Silver Ag+ Mineral Ion Cartridge Stick for Spa, 4-Unit Gray for 16-Month Supply – Compatible with Traditional Non-IQ Systems (

COMPATIBILITY: NOT for Salt Systems (80004), Smart IQ Controls, or Electronic Monitoring; Silver ions cause interference and potential damage; ONLY for standard filtration & legacy spas 16-MONTH PREMIUM SUPPLY: Complete mineral stick spa treatment with 4 cartridges (4 months each); Keep 4th silver ion cartridge as backup for uninterrupted enjoyment; Cost-effective spa water treatment reduces maintenance expenses while ensuring consistent quality ADVANCED SILVER ION TECHNOLOGY: Each mineral ion stick contains 1.05% pharmaceutical-grade silver ions, treating up to 600 gallons; Creates softer, silkier spa water while maintaining crystal-clear quality throughout 4-month service life EFFORTLESS INSTALLATION: Drop-in hot tub mineral stick design requires no tools or plumbing modifications; Simply insert into spa filter standpipe - takes seconds; Immediate spa water treatment begins, providing professional results without complicated setup ENHANCED SPA EXPERIENCE: Enjoy crystal clear spa water you can see, smell, and feel; Silver mineral sticks reduce harsh chemical dependency while maintaining superior quality; Perfect for year-round enjoyment with family-friendly mineral ion treatment PROFESSIONAL-GRADE CONSTRUCTION: Heat-resistant spa mineral cartridge materials withstand extreme temperatures and chemical environments; Consistent silver ion release technology ensures reliable hot tub water treatment performance throughout 4-month service life COST-EFFECTIVE & SUSTAINABLE: Mineral ion spa treatment reduces traditional chemical usage by up to 50%, lowering maintenance costs; Environmentally conscious silver ion water treatment delivers professional results while creating gentler spa environment for enhanced comfort HOTUBJOY’s 4-Unit Silver Ag+ Mineral Ion Cartridge System delivers 16 months of continuous water treatment for traditional hot tub and MPS systems. Each precision-engineered cartridge contains 1.05% pharmaceutical-grade silver ions that work 24/7 to maintain crystal-clear, fresh water quality. Compatible: Traditional Hot Tub Systems, MPS Systems, Conventional Spa Systems. NOT Compatible: FreshWater Salt Systems (Models 80004), IQ Systems, Electronic Monitoring Equipment. ADVANCED WATER TREATMENT Our advanced silver ion release technology treats up to 600 gallons per cartridge for 4 months each, providing crystal-clear, odor-free water that’s gentle on skin and eyes. Reduces traditional water treatment needs by up to 50% while maintaining superior water quality. EFFORTLESS INSTALLATION Simple drop-in standpipe design requires no tools or plumbing modifications. Insert cartridge into your spa’s filtration standpipe and enjoy immediate water treatment benefits. Perfect for busy spa owners seeking professional results with minimal maintenance. PREMIUM CONSTRUCTION Heat-resistant, chemical-resistant materials ensure consistent performance throughout the 4-month lifespan. Reinforced construction withstands spa temperatures and chemical environments for reliable, long-term operation. EXCEPTIONAL VALUE Complete 16-month supply (4 cartridges × 4 months each) provides significant cost savings compared to traditional water treatment methods. Keep one cartridge as backup for uninterrupted spa enjoyment year-round.