one additional note, typically, cheap thinner is FAST, the slower a thinner is, the more expensive it is,, because the componants that make it up are more expensive,, we call ACME, or other hardware store thinner, Rocket fuel, cause its very very hot, and low quality, usually great for starting fires, or washing the floor or spray guns with,, NOT for use in paint,, at least not paint you want to be shiney, smooth, or look good