Ensure accurate and reliable pool water testing with this 2 oz DI Water with Dispenser Cap. This essential replacement reagent is designed for use with various Taylor pool water testing kits. Deionized water helps maintain the precision of your tests, ensuring your pool remains clean and safe. With its easy-to-use dispenser cap, applying the reagent is a breeze. Proper storage is crucial to maintain its effectiveness—store it between 36°F and 85°F, avoid temperature extremes, and keep it out of direct sunlight.