2. Salt & alcohol treatment for a sour pipe (to be moved from Talk & Tips)
3. The ULTIMATE in pipe cleaning - the boiling alcohol retort. Instruxtions for making a retort - article by Thomas C. Wolfe - from Seattle Pipe Club website [ CLICK HERE ] (Scroll down to the centre of the page for information on the retort.)
3. Reaming your pipe - and tools for doing so
4. Opening up the pipe (problems with too small an airway)