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Output Digital - 0V to 5V
negative ion generator
Power Input: 12Vdc
25V DC bias
the LED will be illuminated
3 In 1 Soil PH & Moisture Tester Real Time Clock (DS1307) Output Digital - 0V toIntroduction: Scientifically accurate No need for batteries Easy to read scale indicator Incredibly simple to use just stick it in the soil Works with house and garden plants The Soil pH meter is an excellent tool to help you test the pH of your soil. Knowing the pH of your soil can result in beautiful flowers, a higher crop yield, and a lawn that will be the envy of your neighborhood. That's right, you can have the best lawn on the block. This meter
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