I am glad that you are doing well. I must st say that as per my experience and having read Dr. Shelton's book a few times, you are doing many things that are enervating.
During a water fast, you should not consume anything but water. Waters you have purchased from a store are acidic, it is better to drink distilled or filtered water. Taking MCT oil is also not good, it is called partial eating. You want the most energy user system in your body, the digestive system to sleep. You are keeping it active.
Another way to save energy for healing is to rest and keep warm, you are doing the opposite. You are exercising. Rest, rest rest.
You are drinking way too much water. Drink as per thirst.
Pooping is good, and details about is also good, your lymph system is throwing stuff out in your colon which is coming out.
So just give your body a chance to heal itself, you do not need to do anything, rest, drink warm water and keep warm..