This happens to be an issue our company spent a year trying to figure out for our own purposes. Regular preheat functions only work on the wax at the bottom of the cartridge, and if you have an uncut high-potency cartridge you get rock candy stuck up in the top half.
We developed this little doodad to solve this problem - it’s a premium adjustable battery with a preheating chamber. Works on our 81% uncut CBD cartridges, makes them vapeable instead of rock candy. As far as I know these are compatible with any 510-thread compatible hardware unless it’s unusually fat. I, for one, freaking love this thing.
If anyone’s interested we could help you develop a customized battery for your own company (like how ours says FTP).
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