GIDIGI Digital Chlorine Tester Pool Salinity Meter, 7-in-1 pH Meter Test FAC pH Salt ORP TDS EC,Hot Tub Chlorine Meter with Backlit Display Screen for Drinking Water Quality Chlorine Level,Pool Tester

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• 7-in-1 Water Quality Tester: Our GIDIGI chlorine tester integrates seven key parameters—pH, ORP, conductivity (EC), total dissolved solids (TDS), salinity, free chlorine (FAC), and temperature—eliminating the need to purchase multiple complex reagents or single-function testers. Whether for backyard pools, hot tubs, spas, aquariums, koi ponds, hydroponic nutrient solutions, or drinking water testing, a single touch provides accurate readings, saving time and being environmentally friendly. Regarding packaging: Batteries are sometimes placed under a white plastic inner tray.
• Pools and Spas test kit: If you own a pool or hot tub, ORP, FAC, and pH are crucial indicators of pool water quality. Our pool chemical test kit also tests whether the salinity produced by the chlorination machine meets standards, with clear readings displayed on the screen. It helps you easily maintain FAC within the ideal 1–3 mg/l range, ensuring safe and thoroughly disinfected pool or hot tub water while avoiding excessive chlorine irritation to the skin and eyes, allowing you to enjoy clear, healthy water every day.
• Precise EC and pH Meters for Hydroponic Gardening: For hydroponic growers and gardening enthusiasts, EC (Electroconductivity) and pH are key parameters determining plant health. Monitoring the EC concentration of the nutrient solution ensures that hydroponic plants such as lettuce, herbs, tomatoes, and strawberries absorb the right amount of nutrients; pH testing helps you lock the pH within the optimal absorption range (typically 5.5–6.5). The backlit color screen allows for clear reading of each parameter, even in dimly lit basement hydroponic racks.
• Precise TDS Meter for Household Drinking Water: The chlorine meter quickly detects the TDS value of tap water, RO reverse osmosis water, or well water, helping you intuitively determine if your water purifier filter is malfunctioning and whether your drinking water is suitable for long-term consumption. It allows you to monitor the water quality from your kitchen faucet, refrigerator ice maker, and even your whole-house water softening system. Compared to blurry test strip comparisons, digital readings are precise and intuitive, ensuring that every glass of water you and your family drink is pure and safe.
• Backlit & Portable & Durable Design: Suitable for various scenarios from home to business, digital pool tester compact body allows for hanging and carrying. Whether it's water quality testing during RV travel or routine maintenance by professional spa technicians, this durable and easy-to-use testing instrument is a reliable tool. The package includes a user manual and pH calibration powder. No need to change probes, allowing seamless switching between different scenarios: US home pool owners, pool maintenance service companies, commercial pool services, aquaculture and aquarium maintenance, and basic agricultural and environmental monitoring.
• Regarding packaging: Batteries are sometimes placed under a white plastic inner tray.