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 Others Munsell Plant Tissue Color Charts Learn More Delmhorst G-7 Grain Moisture Meter Learn More Spectrum Technologies IPM Scope Learn More Qubit Systems Q-teach Plant CO2 Package Learn More