There are actually choices available on scaled-down glycol chillers, with internal h2o tank, for ease of use. H2o may be used to chill down to 7°C but then glycol needs to be added to chill even more. This entry was posted in Manual and tagged glycol chiller system, industrial refrigeration, https://indexedbookmarks.com/story20138594/a-review-of-glycol-chiller-uk