It Salt Water Flush so it is obvious that you haven't read the book. Do yourself a favor and do that Goggle search and find the online book.
The SWF is 2 teaspoons of uniodized sea salt mixed in 32oz (quart) or warm water. This has been referred to as an "oral enema". you drink it first thing in the morning on an empty stomach and withing 1.5 to 2 hours will go through you like corn through a duck ;+O and cleanse your whole digestive track top to bottom. It it the favorite thing to whine about in this forum.
I just take a deep breath and guzzle the whole thing down in 10 sec and hardly taste it.