Magnaglo® WC-1 Water Conditioner: Magnaglo® WC-1 is a liquid used in water-born wet method magnetic particle testing. WC-1 water conditioner gives the water bath good test part surface wetting as well as magnetic particle dispersion capabilities. It also provides strong corrosion protection. Being a liquid, WC-1 exhibits more rapid dispersion in bath make-up than powdered conditioners.