These pure sauce carts are classified as the BOMB!! I like the pure flavour and the thoroughly clean pulls…these are generally not designed for high temperature configurations which make large clouds, but will also clog up the coil. Applying one of those little screwdrivers (for repairing glasses) or paperclip, see https://travisndqer.theisblog.com/30013187/fascination-about-blue-crush-strain