AquaFinesse Solution Service Pack Refill Bottle, 2 LThe 2 Liter refill of the AquaFinesse Hot Tub Water Solution helps to eliminate the time consuming maintenance to keep your water clean and clear. The AquaFinesse Water Care System Features: Simple maintenance solution, Eliminates the time consuming maintenance process, Loosens biofilm to keep your water clean and clear, Can reduce chlorine usage buy up to 60%, Softens water for a more comfortable bather experience, and helps maintain water balance.