Instructions - Counterflow Chiller Grainfather Counter Flow Chiller.pdf 400 KB Download Flip* through the instructions or Download PDFs from the flipbook below, or at the bottom of the article, for the Countflow Chiller instructions. *Expand to full screen for easy reading Related articles Video - Quick Overview of the G30³ Counterflow Chiller Instructions - GCAST Instructions - Wortometer Instructions - Original GC4 What is the green gunk/phlegm/algae coming from my counterflow wort chiller?