Question for Dr. Schulze- about liver/parasite formula

I want to do the 5 day detox but I do not know how many ounces of the formula I will need. I order your products from the Heal Marketplace- they offer 2, 4, 16, 32 oz, or 1 gallon. What should I get for one cleanse? I can always get more later, but money is a concern. Also, is it neccesary to drink the potassium broth during the cleanse? Honestly, by the description, it does not sound like something I will enjoy!!

Thank you so much!!!