The Valterra Blue Devil #2 Solution is a 1-ounce reagent refill containing Phenol Red, designed for use with Blue Devil Test Kits to measure the pH levels in swimming pools and spas. Regular monitoring of pH is essential to maintain water balance, ensuring both bather comfort and the effectiveness of sanitizers. To use, add the #2 Solution to your water sample as directed by your test kit's instructions, and compare the resulting color to the provided chart to determine the pH level. This solution is compatible with existing Blue Devil Test Kits.

• Accurate pH measurement Ð Designed for use with Blue Devil Test Kits to ensure precise water balance testing.
• Easy-to-use reagent Ð Simply add to your water sample and compare the color to the test chart for quick results.
• Maintains water balance Ð Helps regulate pH levels for optimal sanitizer effectiveness and bather comfort.
• Convenient 1-ounce refill Ð Ideal for regular testing and easy storage.
• Essential for pool and spa care Ð Prevents issues like corrosion, scaling, and skin irritation for a safe swimming environment.