He seemed a bit more active today, but he's still sitting on the bottom and very pale.
As for Wardley pellets, I've used this brand for years with no issues. but i also have Atlantis brand pellets.
and yeah, the tetra ones turn off cause they heat to the temperature, then shut off so they don't over heat the water, and when the temperature drops like 1 or 2* it turns back on and heats it back up. I've watched the thermometers and they never show a difference in the temperature, so... meh -shrug-
Keeps them warm, that I ask of them.