SpaGuard PH Increaser 18oz 42632BIO SpaGuard pH Increaser 18oz (42632BIO) is a quick‑dissolving granular balancer that safely raises low pH in spas and hot tubs to protect equipment and keep bathers comfortable. Key Features & Benefits Raises low pH fast to the ideal range so sanitizers like chlorine and bromine work properly and more efficiently. Helps prevent corrosion and damage to heaters, pumps, seals, and spa surfaces that can occur when pH stays too low. Improves bather comfort by reducing eye and skin irritation, dryness, and rashes associated with unbalanced water. Quick‑dissolving, sodium carbonate formula disperses rapidly in spa water for accurate, predictable adjustments. Easy dosing with simple teaspoon-per-100‑gallon directions so owners can dial in pH without guesswork. Specifications Product: SpaGuard pH Increaser granular balancer. Size: 18 oz bottle. Active ingredient: 100% sodium carbonate (pH increaser / soda ash). Purpose: Raise spa and hot tub pH into the recommended 7.2–7.6 range and help maintain proper water balance. Typical dosage: About 1–2 teaspoons per 100 gallons, depending on how low the current pH is (always follow label directions). Application: Broadcast into the spa with the pump running, allow to circulate ~30 minutes, then retest and adjust as needed.