24 to 36 hours of NO fat intake
12 to 24 hours to relax afterwards Epsom Salts
filtered water _or_ non-sweetened fresh apple juice (if desired to help take the Epsom Salts )
a large organic grapefruit or a handful of organic lemons (grapefruit seems to mix better)
Recipes for Clarks flush and others can be found from the main liver flush page.
Also, Andreas Moritz has a wonderful flush protocol which, also, does not require a drop of alcohol.