I am doing my first AG soon, and have a question about picking a cooler to use for mashing. Does the cooler need to be food-grade? Would this be an ok cooler to use?
http://www.rubbermaid.com/rubbermaid/product/product.jhtml?prodId=HPProd260039
http://www.rubbermaid.com/rubbermaid/product/product.jhtml?prodId=HPProd260039