AquaFinesse Solution Service Pack Refill Bottle, 2 L Cleans - Crystal clear, clean water Protects - Gentle on the skin, safe for the environment Enjoy - Less time maintaining your water, more time to enjoy it! Just one weekly dose of AquaFinesse offers unsurpassed spa or pool water quality thanks to its unique preventive properties! 2 Liter Refill with measuring cup for Aqua Finesse Hot Tub Water Care Kit