While making a pot of coffee with the alcohol-laced water, Stan notices it has “a funny color”, but Ollie tastes it and explains that all mountain water is like that. "It's the iron in it", he says, "it's good for your nerves."
As Stan brews a pot of coffee using tainted water infused with alcohol, he notices an unusual hue. Ollie clarifies that mountain water usually exhibits this same coloration, attributing it to the presence of iron, which is beneficial for one's nerves.