pH Datalogger Kit soil They are made from a

They are made from a sterile material and designed to hold and protect your cuttings upright in the lid

Double Black Diamond v2

Rated for 60 amps at 240 volts

detailed instruction manual

pH Datalogger Kit soil They are made from aSper Scientific 850061 pH SD Card Logger Kit reads pH, ORP and Temperature, and includes everything necessary for immediate field use. Kit Contains: pH SD Card logger #850060 Sealed epoxy body pH Probe with a BNC connector #840016 ATC temperature probe #840038 Batteries and instructions Hard shell foam lined case All components fit in the slim but protective hard shell foam lined case. SD Card Data logger allows for uploads pre formatted data to Excel