Digital Hot Tub Water Testing Kit - Stop guessing with traditional strips. Insert a test strip into the Eagle Ray digital hot tub test kit and receive clear numerical results to help balance your hot tub water with confidence. Tests 7 Essential Spa Parameters - Measures Total Chlorine, Free Chlorine, Bromine, Total Hardness, Cyanuric Acid, Total Alkalinity, and pH. Includes 30 spa test strips, designed for accurate water testing. Fast Testing and Tracks Water Over Time - Insert a strip into the digital analyzer for clear numerical results in seconds. Stores up to 100 readings so you can monitor changes and maintain balanced hot tub water. Built by a Spa and Pool Chemical Brand - Developed by AquaDoc, a trusted name in water care. This digital hot tub water test kit is designed for everyday spa owners, to support proper water balance and routine maintenance. High-tech water monitors with complicated apps sound amazing, but when you look at their track record for delivering results, you'll find they often leave you with an incorrect analysis. Our digital spa test kit cuts out the fluff and delivers reliable results. The AquaDoc Eagle Ray Digital Spa Test Kit for Hot Tub is designed to simplify hot tub maintenance with accurate digital readings. This water hardness test kit includes a built in digital analyzer and 30 spa test strips for hot tub to measure seven critical water parameters: Total Chlorine, Free Chlorine, Bromine, Total Hardness, Cyanuric Acid, Total Alkalinity, and pH. Instead of relying on color matching, the digital hot tub tester provides clear numerical results that help you adjust chemicals with greater precision. The analyzer is easy to use and stores up to 100 previous test results, allowing you to track changes and maintain consistent spa water balance. Ideal for routine hot tub maintenance, this digital hot tub water tester helps reduce uncertainty and streamline your testing process. Developed by AquaDoc, a trusted spa and pool chemical brand, the Eagle Ray system offers a straightforward approach to maintaining clean, balanced water. Opt for AquaDoc, a brand trusted by thousands of spa and pool owners. 1. Can it be used for hot tubs and spas? A. Yes. This digital hot tub water testing kit is designed for spa water and works with chlorine or bromine systems. 2. Does it require calibration? A. No regular calibration is needed. The analyzer is factory calibrated and ready for use with included spa test strips. 3. What does the spa tester measure? A. It measures seven key parameters: Free Chlorine, Total Chlorine, Bromine, pH, Total Alkalinity, Cyanuric Acid, and Total Hardness. 4. How many test strips are included? A. It Includes 30 spa test strips. Compatible Eagle Ray replacement strips are available separately. 5. Is it easy to use for beginners? A. Yes. Insert a test strip into the digital analyzer for clear numerical results in seconds, no color matching required. 6. Does it require batteries? A. Yes. It requires 3 AA batteries, which are not included. The unit is battery operated for portable, convenient hot tub testing.