Two mineral sticks are included. They can effectively improve water quality regardless of water temperature, delivering a clean and wellbalanced result whether the water is hot or cold. Key benefits Improves water quality across all temperatures for a cleaner spa experience Provides a noticeable cleaning effect with mineral treatment Longterm performance Supports continuous flow for 24 hours Easy to install and helps save costs Lasts up to 120 days, maintaining water quality over time Compatible with most spa equipment and products Comfort and experience Spa minerals help reduce impurities and other components in the water Helps you enjoy a more comfortable spa experience Use scenarios Residential hot tubs or spa pools: maintain clear, balanced water between full chemical treatments With standard spa filters: extend filter life and reduce maintenance across hot and cold setups Wellness facilities and hotels: ensure consistent water quality when using various spa products and equipment