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the "NPK" figures are estimated from conductivity
Effortless mushroom growing with smart humidity and temperature control
and home-grown produce without effort
Can I use it in water or hydroponics
8 in 1 Soil Tester for Plants with NPK | Yieryi backyard lawn sprinkler controller the "NPK" figures are estimatedThis 8 in 1 soil tester for plants reads pH, moisture, EC, temperature, light, and an NPK estimate, and sends the data to your phone. Unlike USB only probes, it works with both iPhone and Android, so most gardeners can use it out of the box. Read it as a screening tool. The pH, moisture, and EC are measured directly, while the NPK figures are estimated from conductivitya useful direction for spotting when a nutrient runs low, not a lab exact number.
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