Collapsible Anti-Freeze Container
Reliance Products Nylon Collapsible Container
When filled, this anti-freeze container sits atop the CO2 tank in your dedicated 5 cubic foot freezer. 20 gallons of anti-freeze – preferably ethanol-based – “plumbers” or “Recreational Vehicle” anti-freeze is best. Freezers are available at Home Depot, Costco, etc.