Lorell Dry/Wet Erase Marker

boring old dry erase marker but our science guy steve Spangler begs to differ welcome everybody anybody who's ever a mistake in a permanent marker for a dry erase marker knows that whatever wisdom they put on the board stays there for a long time a long car map marker so here's a permanent marker my wife will love this so here we just we could oh right on the plate like this now it doesn't come off with water so it's not a water-soluble kind of thing right kind of work its way see how it smears and everything not great yeah so the difference between this Sharpie pen this permanent marker in this dry erase is this acrylic polymer that's inside this is a binding agent it traced a hook and goes right into the pores this whatever substance this dry erase marker has this polymer that's more like an oily silicon polymer so watch what happens what I want you to do so you're gonna pick a plate