Copalli Rum Only Uses 3 Ingredients: Zero-Impact, Community Employment, and Education Grants

“We spent a huge amount of time figuring out how to make it truly zero impact,” said Fernald. Rum distillation is a complex process that, depending on where you are in the world, includes the addition of various ingredients (more sugar, flavorings, color, et cetera) over time. This process, like almost all distillation, also produces waste that harms the environment upon its disposal.