You will find options available on scaled-down glycol chillers, with inner water tank, for simplicity of use. Water can be used to chill right down to 7°C but then glycol needs to be extra to chill more. We use propylene glycol, a non-harmful option to ethylene glycol, ensuring compliance with https://yesbookmarks.com/story20309178/how-much-you-need-to-expect-you-ll-pay-for-a-good-glycol-chiller-uk