I've always wondered what it was suppose to look like when working correctly. I've read where the powder should look like lightly boiling water. I don't know about that. Mine works great, like others have said, when you see the increase in volume. The powder will settle and pack when sitting, so you do need to loosen it up before you start using it. I think if your jig gets coated and the eye doesn't get covered, then it is working just fine. I mix mine up, turn on the pump and when it starts shooting up powder, I back it down a bit. Some powders and certain colors seem to be a bit more difficult as they seem to clump up a bit from the humidity. The best results I have had are with the powders i got from Cadman (the powder is finer) and the most difficult are the proTec, especially the ones with flake. Just my findings. Those are the only two, other than Harbor Freights I have tried. HF works ok it just has a nasty odor to it. For the membrane i have been using the paper from the express mail soft envelopes.