even though THC is stored in your fat, ALL fat soluble toxins are eventually changed into water soluble toxins by the body, so the more effecient your body is at doing that the more water will help. A few things to eat to enhance the body's ability to change fat soluable to ater soluable are: garlic, glutithione, molybdenum, milk thistle. Also vitamin C, vitamin E, and selenium help considerably.