Blue Lab, Pulse Meter

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The Pulse Meter-measures EC, moisture, & temperature directly in the root zone.
-lightning-fast: get three measurements in one check.
-view, store and compare your measurements in the Pulse App to provide deeper insight.
-works in a variety of growing substrates and nutrient solutions

The Bluelab pH Pen also measures the temperature of the solution, as root health is vital to the success of a crop. Temperature affects the growth rate and structure of a plant so a solution temperature of 18 - 22˚C or 65 - 72˚F is recommended.