How to Use a Yerba Mate Gourd and Bombilla: Cleaning and Care Tips

Quick answer

Season a new gourd with used yerba mate before first use, rinse it with warm water after each brew, and dry it upside down to prevent mold. Clean your bombilla with hot water and a soft brush after every use, and deep-clean weekly with baking soda if you drink daily.

A traditional yerba mate gourd and bombilla are built for daily use, but they ask for a little more care than a regular mug. The gourd absorbs oils and flavors from the leaves, which is what gives mate its rich, earthy character over time. Skip the upkeep and you will end up with bitter residue, clogged filters, and a gourd that molds before you can say chimarrão.

This guide walks you through the entire routine: seasoning a new gourd, cleaning the bombilla properly, and storing everything so your mate tastes as good on day 300 as it did on day one. No fancy products required — just warm water, a soft brush, and a bit of attention.

Why gourd and bombilla care matters

Yerba mate gourds are usually made from calabash, wood, or ceramic. While ceramic and glass are non-porous and easy to rinse, calabash and wood absorb moisture and develop flavors with each brew. That absorption is part of the charm — a well-cured gourd imparts a smooth, woody note to your mate. But if moisture sits too long, it can crack or grow mold, ruining both the vessel and your drink.

The bombilla (that metal straw with a filter at the bottom) gets clogged with fine powder and leaf particles if you do not rinse it soon after drinking. Leftover residue turns bitter and can harbor bacteria. With a simple daily rinse and a weekly deep clean, you can keep your bombilla drawing smoothly and your gourd in working order.

Step-by-step: Seasoning a new gourd

New gourds often have loose fibers or a slightly bitter, woody taste. Seasoning helps remove that and prepares the walls for use. Here is a simple method that most mate drinkers agree on: fill the gourd about two-thirds full with yerba mate, add hot (not boiling) water, and let it sit for 12 to 24 hours. Then scrape out the wet leaves, rinse with warm water, and let it dry completely upside down in a sunny spot.

Some people repeat the process with a fresh batch of yerba to further cure the walls. Others simply use the gourd right away — the flavor will develop naturally. The key is to avoid boiling water, which can crack the gourd, and to never leave it soaking for more than a day, as that encourages mold.

Daily cleaning: Gourd and bombilla

After each session, empty the used yerba into the trash (not the sink — it can clog drains). Rinse the gourd with warm water and use your fingers or a soft sponge to gently remove any remaining leaves. Do not use soap; it can leave a residue that ruins your next brew. Then shake out the excess water and place the gourd upside down on a dish rack or a towel until fully dry.

For the bombilla, run hot water through the filter end from both sides until the water runs clear. A quick rinse is fine after a single mate, but if you notice slow sipping, use a soft brush or a pipe cleaner to dislodge the powder trapped in the mesh. Avoid harsh scrubbers that can scratch the metal and collect more residue.

Weekly and monthly deep cleaning

Even with daily rinsing, oils build up over time. Once a week, give your bombilla a deeper clean by soaking it in a solution of warm water and a teaspoon of baking soda for 15 minutes, then brushing it out. This neutralizes odors and keeps the filter clear. Rinse thoroughly and dry.

For the gourd, a monthly deep clean involves a gentle scrape with a spoon to remove any loose, dried fibers, followed by a warm water rinse. If you notice any whitish or fuzzy spots, that is mold — discard the gourd and start fresh. To reduce mold risk, always store the gourd in a dry, well-ventilated area, never in a closed cabinet while still damp.

5-step gourd care routine

1. Season a new gourd: Fill with yerba, add hot water (not boiling), let sit 12–24 hours, then scrape out and rinse with warm water. Check: No loose fibers — if you see them, scrape gently and repeat once.
2. Rinse with warm water after each brew: Empty used leaves, rinse the gourd with warm water, and use fingers or a soft sponge to remove residue. No soap. Check: Water runs clear — if not, rinse again.
3. Dry the gourd upside down: Shake off excess water and place the gourd upside down on a dish rack or towel in a dry, ventilated area. Check: No moisture inside — dry completely before storing.
4. Clean the bombilla after every use: Run hot water through the filter from both sides, then use a soft brush or pipe cleaner to clear trapped powder. Check: Slow draw? Use a brush to dislodge the clog.
5. Deep-clean weekly and inspect for mold: Soak the bombilla in warm water with baking soda for 15 minutes, brush, and rinse. Monthly, scrape loose fibers from the gourd. Check: If you see mold, discard the gourd and start fresh.

Tools that make gourd care easier

• Tea Infuser: Stainless steel strainer branded with the Lake Missoula Tea Co. logo. Set it over your cup, add loose leaf tea, and brew. Removes easily and sits on its metal dish when done. If you do not have a traditional gourd ready yet, or you want to brew mate in a regular mug, this infuser gives you the same loose leaf experience without the hassle of cleaning a gourd.
• Hair Care: Hair Care is a botanical blend with cardamom and rosemary, designed to support hair health from whole-body wellness. It brews a tangy, warming herbal infusion. When you want a caffeine-free evening brew that is easy to clean up, this loose leaf blend works perfectly in any teaware — rinse your strainer or pot with warm water and you are done.

Caring for your gourd and bombilla is a small daily habit that pays off in every sip. Season once, rinse warm, dry upside down, and give your bombilla a brush — your mate will thank you with clean, full flavor. When you need to replace worn gear, look for simple stainless steel tools that are easy to clean and built to last.