UIUZMAR Pool pH Meter Water, pH EC Meter Grow, Digital pH EC PPM Temperature Tester with pH 7.0 Calibration Solution for Pool, Hot Tub, Hydroponics, Drinking Water, Aquarium, Beer Making

"Accurate pool pH Value Meter: Make pool maintenance a breeze with our newly improved pool pH meter. Helps you monitor the pH level of your pool and ensure it stays in the ideal range of 7.2 to 7.8 to maintain enough chlorine for clean and clear pool water. A must-have for pool and hot tub owners." "4 IN 1 Professional pH EC Grow Meter: Dive into your nutrient solution with confidence using our hydroponic pH and EC meter, providing accurate pH, EC, and PPM values to keep within the optimal range. Ensure your plants thrive, prevent nutrient imbalances, and promote healthy growth with reliable measurements." "Effortless Calibration and Maintenance: Our digital pH EC and PPM tester includes a bottle of pH 7.0 calibration solution for easy maintenance. Simply dip the probe for calibration, no need to prepare calibration fluids. Keep your measurements accurate with minimal effort." "Automatic Functions for Added Convenience: Enjoy ultra-precise tests with automatic temperature compensation for accurate measurements regardless of temperature changes. The device automatically shuts off after 5 minutes to conserve battery for later use." "User-Friendly Design for Easy Operation: The backlit LCD display ensures clear visibility in all lighting conditions, allowing multiple parameters to be read simultaneously without complicated switching. Ideal for testing water quality in pools, hot tubs, hydroponics, aquariums, wine making, drinking water, and more."