yes because we collect CI pots pans cookware and doo dads and all of them get the e-tank immediately and come out like new raw cast without exception. 2 big mistakes are
1-not using the exact additives stated
2- the big one, using a automatic charger instead of a cheapo constant charger. you NEED a constant charger, i suggest harbor freight for one.
and i never suggest using a hot fire, it will warp cast especially pans it will bow the bottom and get you a nice wobble