I wanted to get some input on coffee to water ratios for bulk brewing. When I started my own shop in 2006, we relied on a regional roaster's recommendation since they provided the brewer and coffee beans. They recommended 6oz of coffee beans for a 2.2L airpot and ground on a Bunn Coffee Mill on the "Regular" setting. I am now involved in a new coffee shop start-up and have been doing some more in depth research on brewing. The SCAA brewing chart shows the "Ideal Optimum Balance" is around 2oz of coffee per liter of water. I am not sure what level of grind the SCAA chart assumes.
I would like to know what others use for their coffee bean to water ratio and their grind level for bulk brewed coffee. Would also like to know what others prefer for their bulk brewer. Are Curtis brewers worth taking a look at?
-Chuck
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