With the Master-Cleanse (Master Cleanse) ...it is suggested that you flush out your intestines every morning while on the Master-Cleanse ...SWF stands for Salt Water Flush...1 quart for luke-warm water ;purified water, distilled water, or spring water ...and you add 2 teaspoons of Sea Salt (pure) no iodinzed salt that will not work...and this solution is better then a enema...it cleans the entire intestines......