Check the listing for details. Sirona Spa Care Spa Minerals - 4 Pack. Condition: New. Listed at 199.96 USD. Utilizing silver and copper, Filter Mate naturally eliminates bacteria, eliminating the need for harsh chemicals. It betters the bathing environment by reducing odors, skin and eye irritation, and unpleasant chemical scents. This product streamlines spa maintenance while extending sanitizer effectiveness, leading to cost savings. Product Features: Compatible with bromine and chlorine sanitizing systems Add Spa Minerals for clean, relaxing spa water for up to four months Submerge yourself in enriched silver chloride mineral spa water Relax in soft, clean spa water to soothe both body and mind using mineral sanitizer for hot tub and spas Reduce chlorine and bromine use by up to 50% using Sirona mineral sanitizer for hot tub and spas Directions: Intended for spas of up to 600 gallons, verify the proper functioning of all spa equipment. Operate the pump and filter for a minimum of 3 hours daily. Adhere to the manufacturer's instructions for filter cleaning. Maintain the pH level between 7.2-7.8. Upon initial spa filling, establish a bromine or chlorine residual of at least 1 ppm. Shock the spa weekly or as required. Always follow the instructions of associated products when used alongside this product. Keep the spa clear of leaves and debris.