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To keep the Grainfather Glycol Chiller operating at its best, we recommend replacing the glycol/water mixture every 6 months. Enough to completely refill the Glycol Chiller and connect up to 4 Conical Fermenters, this food grade propylene glycol will keep the chiller running at its best, providing you with efficient cooling for your fermenters.

3 L Food grade propylene glycol