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From vegetable gardens to flower beds and greenhouse crops
dissolved oxygen
That last distinction is the whole reason this tool exists
Can I use it in water or hydroponics
use an NPK tester
7-in-1 Hydroponic Water Quality Meter – pH, EC, TDS, Salt, Temperature Tester gardening accessories From vegetable gardens to flowerThis 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
