Magnaflux, MG-410 Fluorescent Magnetic Particles Magnaflux| Magnaflux, MG-410 Fluorescent Magnetic Particles Print Magnaflux| Magnaflux, MG-410 Fluorescent Magnetic Particles Ultra-high sensitivity dry fluorescent magnetic particles powder (to be mixed with Carrier II or water with an additive). If used with water, a conditioning agent such as the WA-2B or the WA-4 is required. MG-410: Magnaglo MG-410 ultra-high sensitivity dry powder, 2lb (907g) jar (case of 6). Request for information