5-in-1 Pool Salt Tester: This upgraded digital meter measures salinity, pH, EC, TDS and temperature in one device, giving fast, highly readable results on a clear backlit screen. Keep your swimming pool, spa, or aquarium water clean, safe and well-balanced without juggling multiple test kits. High Accuracy Digital pH Tester: Features a lab-grade pH range from 0.00-14.00 with stable, precise readings. Easily maintain the ideal pool pH of 7.2-7.8 so chlorine works effectively and water stays gentle on skin and eyes. Suitable for fiberglass, vinyl and tile pools, helping you reduce , scaling and cloudy water. 3-Mode Salinity Display: Advanced salinity tester supports automatic unit conversion and three display modes-PPM, PPT and %. Accurately test pool salt levels from 0-9999 ppm, seawater from 10-200 ppt, and even food salinity from 0.01-25%, ideal for pool owners, aquarists, spas and home kitchens. Reliable Aquarium Water Tester: Designed for sensitive aquatic environments where small changes matter. Monitor pH, salinity, EC, TDS and temperature to protect delicate fish and corals. Accurate readings help you know when to change water, adjust salt mix or dosing, and keep freshwater or marine tanks stable and healthy. Wide Applications & Easy Operation: Ideal for saltwater pools, , spas, aquariums, hydroponics, RO systems and food salinity checks. Simply immerse the probe, gently stir and read the result in seconds. No more color-matching test strips or messy liquid reagents, making routine water testing quick and stress-free., Manufacturer: Aundhegrtt