The Gym Bottle Horror Story

I grabbed my gym bottle one morning, took a sip, and immediately regretted it. The water had been sitting for three days and the inside smelled like a swamp. I washed it with soap, but the smell came back the next week. Reusable bottles need more than a rinse.

The funk lives in the bottom and the lid seal, two places a quick soap pass never really cleans.

The Baking Soda Soak

Fill the bottle with warm water and two tablespoons of baking soda. Let it soak overnight. Baking soda breaks down the film of bacteria and old drink residue that causes the smell, and it does not leave a chemical taste behind.

Rinse well in the morning and dry it upside down with the cap off. A wet bottle with the lid on is a petri dish. Standing it open on a dish rack lets the inside actually dry.

When It Still Smells

If baking soda is not enough, white vinegar does the job. Fill the bottle halfway with vinegar and top it off with water, then let it sit for an hour. Rinse thoroughly afterward, because vinegar flavor is worse than swamp flavor.

• Clean after every use, not every few days
• Soak with baking soda weekly
• Brush the lid seal and straw with a small brush
• Dry upside down, cap off

I keep a bottle brush with a straw cleaner in my kitchen now, and I run the lid pieces through the dishwasher once a week. My bottle has not smelled since, and I no longer gamble on mystery sips.