All good so far. If you are sure Avian is 7.5 pH then fine. When I did the test it was 6 pH.
If it is very hot where you live then drink room temperature water. Warm water is good because it moves mucus easily in your body. Remember heat expands and cold shrinks. Your liver does not like cold things. Eating and drinking very cold stuff is very recent in human history, for nearly six million years we ate hot and ambient temperature foods. But do what is comfortable for you.
To you and the other poster, losing weight with fasting is not going to work until you change your diet. Western world eats too many processed foods, sugar, wheat, high protein foods which is known to be inflamatory.
Do not worry about your liver right now. After you finish your fast, we can talk aboutliver flush.