Sand the tabletop with 120-grit sandpaper until the surface is no longer shiny. Wipe with a tack cloth to remove the sanding dust.
Mix the two-part, water-based epoxy paint according to the package instructions. Prepare the paint right before you plan to use it. Epoxy paint requires an induction period of 30 minutes before you can use it.
Paint the table's surface, using a short-napped sponge roller or a synthetic bristle brush. Coat the entire table and let it cure according to the package instructions -- up to two days. Apply a second coat for the best durability.