Clean your glassware quickly and effortlessly with Formula 420 16oz. This powerful, non-toxic, biodegradable solution is formulated specifically for glass, Pyrex, metal, ceramic, and quartz surfaces — perfect for water pipes, bowls, downstems, and small accessories. Featuring exclusive No-ScrubAction™ technology, it dissolves tough resin and buildup without shaking or abrasive scrubbing; just soak, wait, and rinse for crystal-clear results every time.