SpaGuard Rapid Dissolve pH Decreaser Tabs (1.25 lb)

• Quickly decrease pH level of spa water
• Provide soaker comfort and protect spa and swim spa equipment
• 2 tabs per 250 gallons – 1000 liters as needed
• Lowers pH 0.1 – 0.2 units

Directions for use: 

Test the pH 

Use the chart on the bottle, along with your test strip result to find out the amount of SpaGuard Rapid Dissolve pH Decreaser tablets to add