The Glycol Chiller brewing machine has a sleek and compact design that accommodates our entire range of capabilities. The Glycol Chiller upholds the Grainfather's premise of offering excellent home brewing equipment that produces craft brewery-like results in a tiny footprint. You'll need to fill your unit with a propylene glycol combination once you have it. For mixing, filling, and pump-priming directions, refer to the Glycol Chiller's instructions. Contact Gobrewit to purchase the brewing equipment. Visit us : https://gobrewit.com/products/....grainfather-glycol-c