Magnetic Stirrer Photon Systems Instruments Categories Crops , Photosynthesis, Chlorophyll & Respiration Brochure Send Enquiry Overview PSI Magnetic Stirrer designed to provide continuous stirring with little speed deviation and minimal heat build-up. A handy accessory to the PSI Fluorometers. Back Our Related Products Soil Moisture G4 Stem Grommet Kit Learn More Eijkelkamp 19.20 Field Plantwater Status Console Learn More Spectrum Technologies LightScout DLI 100 Light Meter Learn More Photon Systems Instruments Large-Scale Photobioreactors Learn More