How To Clean Hydro Flask: Effecient And Safe Techniques
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How To Clean Hydro FlaskIf you own a hydro flask and want to clean it, you’ve come to the right place. While water bottles can be cleaned using typical cleaning methods, it could damage a Hydro Flask.
You will understand Hydro Flasks better in this post. And of course, I will also show you the many different ways on how to clean it.
Since Hydro Flask is a special kind of water bottle, it requires some special techniques when cleaning it. The methods included in this article are safe to use – that’s why you can also apply the same techniques in cleaning other types of water bottles.
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Quick Navigation What is a Hydro Flask?Why Should You Clean Your Hydro Flask5 Ways to Clean a Hydro FlaskMethod 1 – Baking Soda and WaterMethod 2 – Baking Soda PasteMethod 3 – LemonMethod 4 – Hot Soapy WaterMethod 5 – Distilled VinegarTips to Cleaning Your Hydro FlaskDos and Don’tsDosDon’tsWarrantyCaring for Your Hydro Flask Water Bottle
Hydro Flask
What is a Hydro Flask?
Hydro Flask is the brand name of a water bottle. It carries the following characteristics:
- info-circle This water bottle can keep cold liquid drinks cold for up to 24 hours. As for hot liquid, it can maintain its hot temperature for up to 6 hours.
- info-circle Hydro Flask is made up of double wall vacuumed insulation (that’s why it’s efficient in maintaining the temperature inside the bottle).
- info-circle This water bottle is built with 18/8 stainless steel construction.
- info-circle Hydro Flasks are BPA-free.
- info-circle The exterior design of Hydro Flasks come in matte finish.
- info-circle Hydro Flasks come with lifetime guarantee.
Why Should You Clean Your Hydro Flask
Water bottles are very handy to have around. And if you have a Hydro Flask (Amazon), you probably carry it around with you (everywhere). Putting different types of drinks inside the bottle also exposes it to contamination (as food can spoil).
And since you’re always drinking out of the water bottle, your mouth (and saliva) will also come into contact with the bottle. Therefore, you need to clean your Hydro Flask for the following reasons:
- lightbulb-o For hygienic purposes – food contamination and constant exposure to saliva makes your water bottle prone to bacteria. And since you always carry it with you, it is also exposed to germs that are present in the places you go to.
- lightbulb-o Discoloration – Putting colored drinks (coffee, juices, etc.) in the water bottle can cause discoloration. If left uncleaned for a long time, the stain will be harder to remove or will become permanent.
- lightbulb-o Odor – Putting drinks and constant usage can leave unpleasant odors in your water bottle. For this purpose, you can use cleaning agents that particularly target removing of odors.
5 Ways to Clean a Hydro Flask
Below is a list of ways on how to clean hydro flasks safely. Yes, you should be careful when handling this particular bottle because you don’t want to damage it. Its matte finish can be ruined when you use strong detergents. And its insulated properties can also get damaged when you don’t clean it properly.

Hydro Flask
Method 1 – Baking Soda and Water
Baking soda is a popular cleanser and disinfectant. As a baking ingredient, this product is safe to use.
- yelp Fill the flask with hot water.
- yelp Add 2 teaspoons of baking soda in the hot water and cover the flask.
- yelp Let the mixture stand in the water bottle overnight.
- yelp In the morning, wash and rinse the flask thoroughly.
- yelp Allow to dry by turning the flask upside down (without the cap).
Method 2 – Baking Soda Paste
Creating a baking soda paste will allow you to clean the insides of a hydro flask more thoroughly. You need a bottle brush to work as scrubber when you use this method.
- yelp Combine baking soda and water to create a paste.
- yelp Get a bottle brush and dip it in the paste.
- yelp Scrub the insides of the hydro flask using the bottle brush.
- yelp Rinse well.
- yelp
Dry upside down with the cap removed.
Method 3 – Lemon

Lemon Sauce for White Rice
Using lemon juice as cleanser will also work in removing odor and stains from your water bottle. Its acidic nature makes it anti-microbial, but is safe to come into contact with food containers.
- yelp Cut a lemon in half and squeeze the juice into your hydro flask.
- yelp Pour boiling water inside the bottle.
- yelp Allow the mixture of hot water and lemon to stand in the water bottle for at least half an hour (more is better).
- yelp Rinse thoroughly.
- yelp
Allow to dry upside down, uncovered.
Method 4 – Hot Soapy Water
For this method, remember to use mild detergent only.
- yelp Combine hot water and mild detergent.
- yelp Use the mixture to wash your hydro flask inside and out.
- yelp You can shake the hot soapy water inside the water bottle.
- yelp Rinse thoroughly.
- yelp
Dry upside down, uncovered.
Method 5 – Distilled Vinegar
Vinegar is a known disinfectant and cleanser. When used in cleaning hydro flask, it can help remove odor and stain from said water bottle.
- yelp Pour about ½ cup of vinegar inside the hydro flask to be cleaned.
- yelp Cover the water bottle and shake and swirl the vinegar inside.
- yelp Allow the vinegar mixture to sit inside the hydro flask for about 5 minutes.
- yelp Use warm water to rinse off the vinegar from the flask.
- yelp You can repeat the process if there are stubborn stains and smell in the bottle.
- yelp
Allow to air dry by turning the bottle upside down (without the cap).
Tips to Cleaning Your Hydro Flask
- gittip When drying the water bottle upside down, remove the cap to avoid discoloration along the mouth of the bottle.
- gittip When storing your hydro flask, remember to keep the lid slightly open. This will ensure that any moisture from the vacuum lid will air dry naturally. Otherwise, the moisture from the lid (when kept tightly sealed) can cause the formation of mold (or bad odor, at the least).
- gittip Before using your Hydro Flask for the first time, wash it first with mild soap and water. Rinse it well.
- gittip Hand wash your Hydra Flask, don’t put it in the dishwasher (only a few parts are dishwasher safe).

Hydro Flask via Swamp Head Brewery
Dos and Don’ts
To make sure that your Hydro Flask will last a really long time and serve you well, I am giving you a list of dos and don’ts.
Dos
- check-circle Do use a bottle brush when cleaning your Hydro Flask. Although shaking the cleaning agent vigorously will effectively clean the insides of the bottle, having a bottle brush to scrub the insides will provide for a more thorough clean.
- check-circle Do allow newly washed water bottles to dry properly (upside down, with the cap removed).
- check-circle Do wash the flip lid and wide straw parts in the dishwasher. They’re the only parts that are dishwasher safe.
- check-circle Do hand wash all the parts of your Hydro Flask (even the flip lid and wide straw) as such method will prolong the life of these parts (yes, even the dishwasher safe parts).
Don’ts
- exclamation-triangle Don’t wash your hydro flask in the dishwasher (this is really VERY important as doing so can damage it).
- exclamation-triangle Don’t soak the exterior part of the water bottle in hot water. The matte finish can get damaged if you do this.
- exclamation-triangle Don’t put your Hydro Flask in the freezer. Even if you want to cool what’s inside of it, it won’t work (because of the double wall insulation). If you want cold drinks, put ice cubes inside the water bottle instead.
- exclamation-triangle Don’t expose the hydro flask to a heat source to warm up what’s inside. Remember, it has a double wall insulation – outside temperature won’t affect what’s inside.
- exclamation-triangle Don’t use bleach and chlorine as cleaning agents. These are harsh chemicals – and they will damage the stainless-steel construction of your Hydro Flask.
Warranty
Knowing how to care (and clean) your Hydro Flask will surely prolong its life. It actually comes with lifetime warranty, but that doesn’t mean that you can use it carelessly. Here are some of the things that are covered by the Company’s warranty:
- Broken or leaking caps
- Insulating properties not working (defective)
- Uneven edges or rough welding
Caring for Your Hydro Flask Water Bottle
As you can see, Hydro Flask is really a type of water bottle that you can depend on. Its insulating properties allow you to put both hot and cold drinks inside so that you can take your favorite drinks with you (even when you’re on the go).
Let’s face it, Hydro Flask is not cheap. And it’s not cheap for a reason – it’s good looking, tough, and long lasting. Hey, the Company is even backing it up with lifetime warranty.
Knowing how to clean and care for your Hydro Flask water bottle will ensure that you are not voiding the warranty. It also enables you to use the water bottle efficiently and safely.
You can use your Hydro Flask for the following:
- Office
- Camping
- Gym
- Yoga sessions
Yes, you can literally bring it with you anywhere (inside the house or outside the house). So, clean it well and care for it well – and your water bottle will serve you for a long time.

Hydro Flask
Do share this article with friends who are into water bottles (everyone is into water bottles these days). Whether they’re using Hydro Flasks or other products, this post will surely benefit them, too.
Also, let me know how this post has helped you. You can leave a comment below.
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About Lita Watson
Lita Watson is a home mom blogger who loves dogs and flowers. I have one daughter and one son, both of whom she adores. I started my blog Quick Easy Cook to share recipes that are quick and easy for moms like herself.Looking For Something?
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