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dissolved oxygen
Clean Water
That last distinction is the whole reason this tool exists
Can I use it in water or hydroponics
Where should I insert it
7-in-1 Hydroponic Water Quality Meter – pH, EC, TDS, Salt, Temperature Tester gardening accessories dissolved oxygenThis advanced 7 in 1 Water Quality Meter is perfect for hydroponic growers, gardeners, and aquarium owners who need precise readings to maintain healthy plants and environments. With the ability to test pH, TDS, EC, ORP, salt, temperature, and fertility, it provides everything you need to ensure your water conditions are just right. Comprehensive Testing: Measure pH (014), TDS (010000ppm), EC (010000 S cm), ORP, salt, temperature (060C), and fertility
