An automated distillation apparatus, designed for use with an inhaler. Auto-stills consist of an automated distillation tank, with inbuilt, mixing and grinding equipment, computerised recipe book and phial-preparation kit. The device can be used to cook and distil plant mixtures, and fill re-usable phials with the distilled mixture. A set of twenty-four phials, plus power-cable and carrying case is included. The entire apparatus, inside its carrying case, is around 300mm x 180mm x 180mm. Auto-stills cost around Cr150 and weigh 1200g.