Personally I don't use the blender for puffer food (just for the tangs food) because it gets way too fine and small for them IMO. I prefer to feed them larger chunks that they have to bite into and that also makes much less of a mess.
This is what mine looked like:
They would get one of these bags a day...Most people under feed their puffers. If you ever get a chance to see them while diving, you will be amazed at how 'fat' they are.
