I went back to look at the containers and discovered that the large square container, which is 4 inches tall and around as well as about 1/4 inch or less thick for the walls... well, anyways, I discovered that the rest of the variety of containers did not have, or just had a couple wet spots compared to the large square container... what I'm thinking here is... the thicker it is, the worse it is.... I also put the large square in the freezer for a few hours then took it out to set aside for a few days, to just experiment and after taking that out, there was NO wet spots at all. I thought that was pretty interesting enough to share with all of you. The wax did not come out of the container and was still ahered to the wall. As for the ones with the wet spots, I took my heat gun and saw the bubbles rise to the top, then i took the heat gun to the top and created a little ripple to even it all out on the top, tapped the jar quite a few times, and a few days later, still no wet spots... by the way, the throw is awesome and the wick is just great. Its awesome. My hubby came home from work early and had lit the two containers that I had set out to test and as soon as I walked in the door 10 minutes later (was Christmas shopping all day), I could smell it and it was amazing...