We buy large plastic bottles of honey at Costco. We never seem to use it very fast, so it ends up becoming a solid honey block inside the bottle. We've tried the microwave and a pot of water on the stove, but invariably this leads to the bottle getting very deformed, and the honey liquefying only slightly. Anova to the rescue! I set it for 128 degrees, and floated the bottle in the pot. Within a half hour it was well under way. I left it for 3 hours, and the honey was like new.