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No—it shows overall fertility (a conductivity-based direction)
Fertility — a directional gauge
For nutrients
✅ Outdoor faucet timer
pH — aim for 6
Handheld Dissolved Oxygen Meter Digital Agriculture Tools No—it shows overall fertility (aThis handheld, intelligent, portable water quality tester offers comprehensive monitoring of six key parameters: dissolved oxygen (DO), pH, TDS, EC, salinity (SALT), and temperature. With high precision probes, a clear HD display, automatic temperature compensation (ATC), and a user friendly interface, it's ideal for aquariums, aquaculture, swimming pools, drinking water testing, laboratories, and more.
