This explains that the liver and glycogen is about 500g but holds three times that in water = 2kg....
Add that to the water you hydrate with, say maybe 1.2 kg, and possible waste matter in the bowl!
Wow post fasting and resuming normal life basically means adding 4kg automatically....
So for myself, if I want to drop 4 kg it means taking off 8kg knowing that 4 will come back on straight away....
In your case you want to drop 17 ponds or so... I would aim for an extra 8 making it 25, as that 8 pounds of liver weight, hydration and intestines will just come racing back...
Hmmm I shall continue to study this... Watch this space!