The same constituents as Hivemakers recipe but instead of using lecithin in 140ml of water...use just 70 ml of honey...obviously from your own bees and 70 ml of water. So the thickness doesn't come from the honey as it is not used neat.
I take it you are making up the stock mix.
Try adding it to made up syrup to make the normal dilution as see if the thymol separates.