Traditions? EZ Clean? 2 Bore Solvent has an advanced formula that helps clean corrosive black powder Blackhorn 209 Triple Seven Pyrodex and other black powder substitutes. The formula also has an added ingredient which helps protect against rust and weather while allowing easier loading. EZ Clean? 2 combines two steps into one easy to use formula. This bore solvent helps from fouling and residue. Use with a cleaning patch that has been soaked in the EZ Clean? 2 Bore Solvent and run up and down your barrel to remove fouling. 8 fl. oz (240 ml) bottle.