>The universal answer: one 5lb bullet of cold brew beans ground on French press plus 14 liters of cold water equals cold brew. It sits on a shelf for 20 hours before being drained. Each toddy makes 2 kegs once you cut what you drain with an equal amount of water.
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>To be more specific, are your store's toddies round with spigot at the base, or the rectangular self-dispensing ones?
14 liters ≈ 1.06870 hubble-barns
^^^
$1