The Secret to Storing Tequila

You’ve invested in some premium añejo—maybe that new delicious El Tesoro Mundial Yamazaki finish—or scored a limited-release blanco. You want it to taste exactly as the distiller intended, not flat, faded, or off. Tequila storage follows whisky’s basic playbook: keep it upright, away from heat and light. But ensuring agave spirits never lose their punch involves more nuance than that. For expert guidance, we tapped Tommy Patrick, owner of the renowned Seattle bar The Ballard Cut, which runs deep on both agave and whisky.

The Basics: Upright, Cool, and Dark

Start with the fundamentals. Always store tequila bottles upright, never on their side. Prolonged contact between high-proof alcohol and cork or synthetic closures will degrade the seal over time, potentially affecting the flavor and causing leaks. This applies to both unopened and opened bottles.

Keep them out of direct sunlight or consider a UV tint. “We can’t avoid the sun,” says Patrick, “so we use a 99.999% UV blockage on our windows.” Consider the humidity and temperature—a consistent 55-65°F is ideal— but also the airflow in your storage space. “Having too much air moving can really wick away any moisture and shrivel up corks faster than you think,” says Patrick.

Don’t Leave It Opened Too Long

Once you crack the seal, you’re on the clock. Exposure to air triggers oxidation, which will gradually dull the agave spirit’s vibrant flavors. “The first 10% of any bottle is typically very ‘tight,’ requiring breathing like wine,” says Patrick. The next 20% of the bottle starts to hit its stride, and “the following 30% pours pleasantly, very open and smooth—type and expression dependent,” he says. “The remaining 40% starts to mellow significantly, but many people love this section due to the smoothness.”

Once the bottle is at the 50% mark, you should finish it within a year, Patrick advises, “Given agave’s super-high phenolic particle numbers—think beets, celery, peaty scotch— after this point, it’ll lose its vegetal deliciousness if it softens out too much.” Higher proofs mean longer shelf life, but the halfway mark is your sign to drink the rest of the bottle. Tequila won’t go bad to the point where you’ll ever get sick, but it definitely won’t taste great. And don’t save the last two ounces for a big occasion that’s five years down the road. “It won’t taste anything like what made it special in the first place,” he says.

Skip the Parafilm

Some pros like to parafilm the closures of prized bottles to help thwart oxidation, but Patrick prefers an alternative. “If you’re worried about degradation, replace the closure— cork, synthetic, or glass stopper—with a full contact seal,” he says. You can also take a page from fine wine collectors and replace any air in the bottle with a layer of neutral gas (argon or nitrogen) to slow oxidation.

Others prefer to decant the remaining tequila into progressively smaller bottles, filling them to the top and tightly securing the caps to minimize oxygenation.

The Pros and Cons of Condensation

Seeing little water droplets in your bottle? “It’s good in that it indicates your seal is intact and airtight,” Patrick says. “But condensation means it’s being stored in an area that has too much heat and internal pressure... altering the flavor.” Time is not on your side in this situation; change the storage area’s temperature or move your bottles immediately to remedy the issue.

How to Know If the Bottle Has Turned

Even properly stored tequila can deteriorate over months or years. Each bottle will vary, but there are clear signs if your agave is past its prime. Watch for significant color changes, such as darkening. “If a previously clear blanco becomes cloudy, that’s not good,” says Patrick. “Sediment formation can be natural, but if you come back to a bottle that all of a sudden looks like you just washed your hands after a day at the beach, you should toss it immediately.”

Also, watch out for the palate becoming metallic or flat, and the nose moving into sharp or rancid notes. With any bottle of distillate, if you try it and then ask yourself, “Should I be drinking this?” that’s a giveaway, too. “The answer,” says Patrick, “is most likely no.”