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and Temperature Probe for Bluelab OnePen (PENONE)
Quiet and fan-cooled
Compatible with all Bluelab handheld meters
this is the perfect solution for keeping an eye on your inline dosing system
Bluelab Conductivity Probe Cleaner
Bluelab Soil pH Meter halloween25 and Temperature Probe for BluelabFast and accurate pH measurements from the palm of your hand. Get fast, precise pH readings in various growing media, including hydroponics, soil, and coco coir. Its durable speartip probe allows direct root zone measurements, while the simple two point calibration ensures ongoing accuracy. Features: Compact handheld design for convenient use Bright, easy to read backlit display Replaceable Bluelab Soil pH Probe with toughened spear tip for direct
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