1 Handheld Plant Sap Press Spectrum Technologies Categories Crops , Other Applications Send Enquiry Overview Use with Cardy meters or refractometers for on-site testing For extracting plant sap to be used with pH meters or refractometers for on-site testing Made of high quality, non-corrosive metal Includes cleaning device Back Our Related Products Qubit Systems Dissolved CO2 Systems Learn More Photon Systems Instruments AquaPen-P AP-P 100 Learn More Regent Instruments WinDENDRO Learn More Spectrum Technologies LightScout Red/Far Red Meter Learn More