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Do not submerge it in liquids
and 100% corrosion-resistant copper connector
and grow with a single button
ideal for drinking water
Soil Potassium Tester for Plants | Yieryi Aquarium Water Testing Kit Do not submerge it inA soil potassium tester reads the available potassium (K) in your soilthe nutrient behind hardiness: sturdy stems, disease resistance, and fruit quality. This single nutrient meter gives you a K reading in seconds, so you can tell whether to add potassium or hold off, without a lab. Read it as a trend tool. The potassium figure is a directional reference estimated from conductivity, not a lab measurementuseful for spotting when K is running low and
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