The granular Drano is Lye...Its pure lye! (and thats the truth! :)= (Pun intended...ducking and running now!) Most other granular drain openers are also.... just add some water to get it going.. Chris WB5ITT Dave Fouchey wrote: > > Mike Lye is common in most grocery stores next to the Liquid Plumber. Use > gloves and safety goggles though. > > Dave > WA4EMR