Ok, good to know about the "playing catch up" on meals so there not being anything to expel.
I have checked on him in the middle of the night. He just sits in the same spot.
I know about the water temps. Usually I'm the one explaining that to people. Glad someone else knows it too!
And I have the VPI book - it's a goldmine of info. -lol-
I guess I'll just wait it out, then. For those who are curious, the rescue was this one:
5 years old, and axanthic-looking from lack of nutrition. Honestly, though, he still looks EXACTLY the same. No weight gain, no color change, no nothing.