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Strength in Numbers
A truly plug-and-play addition for your T4
Measuring Current : 10mA during 150ms measurement
and when you’re ready slide in a third
Bluelab Soil pH Pen clone light Strength in NumbersBluelab Substrate pH Pen A handy solution made easy! The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. In soils or growing media, pH strongly influences the availability of the microorganisms to plants in the soil. Now you can closely monitor and adjust the pH levels right from the palm of your hand for optimum plant health and performance. It
US$ 89.99
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US$ 28.00
