Finally satisfied with the voltage that my peltiers are running (18.2v and 18.4v), I'm getting 22C full load, Tbird 1333@1780 2.16v. Water temps are 4-5C above ambient. Ambient is around 31C, the heat output is making my room warm. Here's a screenshot.
More details after I've done my 5V mod. Hope to reach 1800. Is my rig efficient for the heat its handling?