Balance Your Spa Water. Boost Your Soak.
The Ouster Hot Tub Water Balancing Kit is your all-in-one solution to maintain clean, clear, and perfectly balanced spa water. Whether you're a first-time spa owner or a seasoned pro, this kit makes hot tub care simple and stress-free. Each kit includes:

• pH Up (1 LB) – Raises pH and softens spa water
• pH Down (1.5 LB) – Lowers pH and prevents scale buildup
• Alkalinity Up (1 LB) – Stabilizes pH to prevent wild swings
• Calcium Increaser (16 oz) – Maintains calcium levels to protect spa equipment
• 50 Test Strips – For accurate pH, alkalinity, and calcium readings