Caldera Spa Monarch PH/Alkalinty Down Item #74739 Description: This granular product will adjusts your water pH and alkalinity down. Provides a greater amount of control for larger spas. Features: Lowers pH and total alkalinity Increases effectiveness of sanitizer About Caldera Water Care Products: Caldera Spa’s efficient and simple hot tub water care systems make it easier than ever to keep the water in your hot tub fresh and crystal clear.
