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 Photon Systems Instruments Arch FC 900-A Learn More Others Decagon LP-80 Ceptometer Learn More Photon Systems Instruments AlgaeTron AG 230 Learn More Eijkelkamp 19.13 Portable Leaf Area Meter For Diseased Leaves Learn More