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Effortless mushroom growing with smart humidity and temperature control
calibrate first for the most reliable read
What the readings tell you
so a hot afternoon or a cold morning doesn't throw your number off
the "NPK" figures are estimated from conductivity
8 in 1 Soil Tester for Plants with NPK | Yieryi backyard lawn sprinkler controller Effortless mushroom growing with smartThis 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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