Your liver is congested. Brainfog and depression are classic signs of that.
Go with distilled water. That will dilute the poisons in your blood. Schulzes Detox tea is good at pushing the poisons into the liver to be processed out but if the liver is congested that's the first line of action.
Barefoots DeWormer for three months, flush at the two week mark, again at the four week mark.
Lots of oranges. They're a natural chelator and will pull the heavy metals out.
Open the liver up first.