5 Pounds Root Stop No Messy Foam/Septic Safe No Copper Using Root Stop is an easy way to Eliminate and Rot Away pipe roots cheaply. When you use the Root Stop method it takes several weeks for the roots to Rot Away ? Use 100 percent Root Stop with no added ingredients, to Eliminate and rot away the roots inside sewer pipes. ? This method is recommended by Plumbers. ? Simply add 1 cup of Root Stop Crystals to a 2 gallon bucket of hot water. Stir to dissolve crystals. Pour into toilet rapidly causing a flush. ? This should be the last flush of the night allowing 8 hours before next flush. ? This works by stopping and rotting away the roots inside of your drain pipe. ? We recommend doing this once per month. ? If your drain is clogged so badly that your toilet will not flush properly we recommend weekly usage till toilets flush properly. ? Severely clogged drains may require mechanical drain cleaning prior to Root Stop use. ? Mechanical cleaning will clear roots but they always grow back. Monthly use of Root Kill will prevent future clogging. ? 1 cup of Root Stop Crystals is approximately 1 pound ? Root Stop is septic tank safe Free Shipping to all US States And Territories