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K instead of overall fertility
From vegetable gardens to flower beds and greenhouse crops
not an exact lab figure
Can I use it in water or hydroponics
7-in-1 Hydroponic Water Quality Meter – pH, EC, TDS, Salt, Temperature Tester gardening accessories K instead of overall fertilityThis 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
