After letting it sit another day, it was still seeping, but my wax sealing seemed to really help. I found a good majority of the leakage was coming from the little wooden spigot they supply with the barrel. I removed that and pounded a cork in and it at least holds water for a while now. Another day or 2 and it should be good to go. I can't wait to pour my Heaven Hill Trybox Rye into them!