Stay ahead of pH imbalances with the Valterra Blue Devil #2 Solution, a 1-ounce Phenol Red reagent refill purpose-built for Blue Devil Test Kits. Tracking pH in your swimming pool or spa is fundamental to water equilibrium, directly influencing swimmer comfort and how well your sanitizing chemicals perform. To test, dispense the directed amount of #2 Solution into a collected water sample, then reference the color chart supplied with your kit to identify the current pH value. Designed for seamless use with all Blue Devil Test Kits. Key Benefits Trustworthy pH readings: Specially formulated for Blue Devil Test Kits to give you dependable water balance data. Effortless testing routine: Drop the reagent into your sample, check the color, and interpret your pH level in moments. Promotes balanced water: Proper pH management maximizes sanitizer performance and creates a pleasant bathing experience. Handy 1-ounce format: Conveniently sized for frequent use and tucks away neatly with your other test supplies. Protects pool infrastructure: Correct pH levels help ward off surface corrosion, mineral scaling, and skin discomfort. Specifications Brand: Valterra Part Number: B7042 SEO Tags valterra valterra blue devil 2 solutionB7042valterra blue devil solution b7042