Magnaflux, 20B Premix Fluorescent Magnetic Particles Magnaflux| 20744 Magnaflux, 20B Premix Fluorescent Magnetic Particles Print Magnaflux| 20744 Magnaflux, 20B Premix Fluorescent Magnetic Particles Premix 14A fluorescent magnetic particle powder with AX-52 water, soluble corrosion inhibitor and WA-2B water conditioner. Simply add this powder to water. MG20B-1: Magnaglo 20B powder, 453g (1lb) jar (case of 6) MG20B-3: Magnaglo 20B powder, 6.8kg (15lb) pail. MG20B-4: Magnaglo 20B powder, 13.6kg (30lb) pail. Request for information