Free Shipping on USA* Orders $125+ 🚚

How to Clean a Hydroflask Water Bottle

Even when using a Hydro Flask water bottle, bacteria and fungi can accumulate and a Hydro Flask water bottle can still need cleaning. One’s backwash can lead to bacteria building up in a Hydro Flask water bottle. Each and every time one takes a sip, it can lead to germs spreading to a Hydro Flask water bottle. The damp parts of a Hydro Flask water bottle can lead to fungi and bacteria growing.

If one doesn’t regularly clean a Hydro Flask water bottle, fungi and bacteria can steadily build up and it can make a Hydro Flask water bottle tougher to clean. Even though a stainless steel water bottle is resistant to rust, it can still experience rusting and need to be cleaned with the appropriate cleaning solvent.

A Hydro Flask water bottle can also be prone to discoloration and become extremely dirty if not properly maintained and cleaned regularly. Although this is still a factor, a Hydro Flask water bottle is still very easy to clean and maintain with the proper maintenance.

A stainless steel reusable water bottle such as a Hydro Flask water bottle is much easier to clean than a plastic reusable water bottle. Plastic reusable water bottles can get scratched or cracked and bacteria can end up in-between those cracks and scratches. Stainless steel is much stronger and more durable and naturally repels bacteria.

Get The Long Bottle Brush

How to clean a Hydroflask Water Bottle

A Hydro Flask water bottle uses True18/8 professional grade stainless steel utilizing the best materials for a water bottle. Many other steel bottles don’t utilize such a high quality grade of stainless steel and this makes other water bottles rust and dent easier and not last as long. A Hydro Flask water bottle is much more resistant to rust and dents than its competition and therefore much easier to clean.

A Hydro Flask water bottle is super durable and built to last allowing liquids to stay cold for up to twenty-four hours or hot up to twelve hours. A Hydro Flask water bottle is highly resistant to absorbing odor, taste, and bacteria and doesn’t have a liner to scratch. A Hydro Flaks water bottle is also 100 percent recyclable and has a lifetime warranty that guarantees every Hydro Flask against manufacturer’s defects for 100 years or one lifetime, whichever comes first.

The Hydro Flask also has a double wall vacuum insulation that prevents condensation from forming with your cold drinks. It also prevents heat transfer from occurring with your hot drinks. This allows the outside to be comfortable and easy to hold and the inside hot or cold.

All the Hydro Flask water bottles are BPA free. BPA stands for bisphenol A and is an industrial chemical that makes certain plastics and resins. BPA can be found in polycarbonate plastics that are normally used in containers that store food and beverages, such as water bottles. The epoxy resins can coat the inside of the metal and research has shown that BPA can seep into food or beverages. BPA can have a detrimental effect on the health of the brain, behavior and prostate gland of fetuses, infants, and children. BPA has also been known to increase blood pressure.

The Hydro Flask water bottles are not difficult to clean but after lots of use they can become extremely dirty and it can be necessary to give them a thorough scrub. It is also necessary to clean them regularly to avoid discoloration, rusting, and also to maintain good hygiene.

When a Hydro Flask water bottle becomes extremely dirty and needs a thorough scrub, it is best to use The Coldest Water Premium Bottle Brush to clean a Hydro Flask water bottle. The Coldest Water Premium Bottle Brush can help scrub away dirt and grime caused by saliva and residue left behind from one’s food and beverages. It is best to use The Coldest Water Premium Bottle Brush on a Hydro Flask water bottle as frequently as possible.

When cleaning a Hydro Flask, one could use white distilled vinegar for cleaning. White distilled vinegar can assist with the removal of any stains or discoloration on the inside of the Hydro Flask. It is recommended to put a half cup of vinegar in one’s flask and then swirl the vinegar around allowing any areas with stains or discoloration to wash away. The vinegar should sit in the flask for five minutes and then one should rinse out the flask completely and then repeat as necessary.

For really difficult and heavily soiled spots inside the hydro flask, one can use baking soda to clean. By mixing two to three tablespoons of baking soda and a small amount of warm water this will turn into a paste that can be perfectly used for scrubbing. One the paste is formed, one can dip The Coldest Water Premium Bottle Brush inside the flask and brush in the paste. They can then work the paste into the area that needs cleaning and dip the bristles of The Coldest Water Premium Bottle Brush inside the Hydro Flask. This method of cleaning can be repeated as necessary until the stain is fully gone.

One can also use soap and warm water or a water solution to clean a Hydro Flask water bottle. Soap and warm water can be used along with The Coldest Water Premium Bottle Brush to clean away tough dirt and stains left behind from food and drinks.

You should not put a Hydro Flask water bottle through a dishwasher or soak the outside in hot water. The hot water can discolor the coat and the dishwasher can become hot enough to affect the insulation inside. You should also not soak the cap in hot water or put the cap in the dishwasher either and it is recommended to hand wash them instead.

The Hydro Flip Lid and Wide Straw can be washed in the dishwasher and are dishwasher safe. It is not recommended to wash the cap in the dishwasher but if deep cleaning is necessary, then the cap can be washed in the dishwasher. For a longer lasting cap, it is best to wash it by hand.

Cleaning Your Hydro Flask

After cleaning a Hydro Flask water bottle with soap, warm water, vinegar, or a water solution, one must let a Hydro Flask water bottle dry upside down. It is best to air dry a Hydro Flask water bottle to prevent a Hydro Flask water bottle from further collecting bacteria or fungi.

For even tougher stains, one can use detergent or a dilute ammonia solution along with The Coldest Water Premium Bottle Brush. By using detergent or dilute ammonia solution along with The Coldest Water Premium Bottle Brush, one can clean a Hydro Flask water bottle more thoroughly and efficiently.

For cleaning of fingerprints on a Hydro Flask water bottle, one can use detergent and warm water or a hydrocarbon solvent as well as The Coldest Water Premium Bottle Brush. Detergent and warm water or a hydrocarbon solvent can work for cleaning of fingerprints on the outside or inside of the bottle. After regular use, a Hydro Flask water bottle can accumulate lots of fingerprints especially after one uses a Hydro Flask water bottle while consuming greasy food or when sweating heavily.

A Hydro Flask water bottle was specifically designed with the average person in mind but is also used by the thrill-seeker or adventurer. A Hydro Flask water bottle can also be used by those on the go or people who engage in camping and hiking. For this reason, Hydro Flask water bottle can become extremely dirty and get dirt and grime not only on the outside of the bottle but on the inside as well.


Get The Long Bottle Brush

When heavily active in sports such as soccer, football, lacrosse, rugby, golf, or any other sports that are played on grass or turf, A Hydro Flask water bottle is going to need to be cleaned much more thoroughly and regularly. Those that are engaged in activities such as hiking, mountain biking, rock climbing, camping, or similar activities, may see a much larger accumulation of dirt and grime in A Hydro Flask water bottle. For this reason, they might need a heavier cleaning.

For the more stubborn spots and stains or water marking or light rust staining, it is best to use non-scratching creams or polishes along with The Coldest Water Premium Bottle Brush. Water marking or light rust staining can become prevalent with heavy use of a Hydro Flask water bottle.

After using a non-scratching cream or polish along with The Coldest Water Premium Bottle Brush, one must rinse off the added residue with clean non-mineral water. After rinsing off the residue, one must then dry a Hydro Flask water bottle with a clean cloth or towel. It is best to avoid using cleaning pastes that include abrasive additives or cleaners with soft calcium carbonate additives when cleaning a Hydro Flask water bottle. Chloride solutions are also not recommended to clean a Hydro Flask water bottle.

Tannin stains or tea stains and oily deposits that are left behind from coffee and tea should be cleaned by soaking a coldest true double wall stainless steel 21oz water bottle in hot solution of sodium carbonate for tannin stains and in a hot solution of baking soda for coffee deposits. These solutions can be applied with The Coldest Water Premium Bottle Brush and then rinsed with clean water.

It is best to make sure that The Coldest Water Premium Bottle Brush is free from contamination, especially iron and chloride when cleaning a Hydro Flask water bottle. When using chemicals or abrasives, it is best to do a trial on a Hydro Flask water bottle on a small area first in order to avoid discoloration of a Hydro Flask water bottle.

In order to avoid water marks, it is best to use non-mineral water and clean rinsing water when cleaning a Hydro Flask water bottle. Drying marks can be avoided by using an air blower or wiping the area with clean wipes that are disposable.

Get The Long Bottle Brush

The Coldest Water Premium Bottle Brush which was specifically designed to clean a stainless steel water bottle. The Coldest Water Premium Bottle Brush is crafted specifically to purpose. It is the #1 best water bottle brush and built of the best materials in order to keep a Hydro Flask water bottle clean in a quick and efficient way.

The Coldest Water Premium Bottle Brush easily cleans all aspects of a Hydro Flask water bottle. This includes cleaning of the bottle, straw, and cap of Hydro Flask water bottle. It is best to always clean all parts of a Hydro Flask water bottle to make sure a Hydro Flask water bottle stays completely clean.

It is also best to clean a Hydro Flask routinely and regularly with The Coldest Water Premium Bottle Brush to avoid discoloration and build up. It is also recommended to clean a Hydro Flask water bottle each and every time after heavy use. One also should clean a Hydro Flask water bottle after they use it for liquids other than water.

The Coldest Water Premium Bottle Brush is three tools in one and includes the big brush that is used to clean the inside of a Hydro Flask water bottle as well as the cap and straw of a Hydro Flask water bottle. The Coldest Water Premium Bottle Brush has a unique design and feel and helps prevent bacteria and mold from building up in a stainless steel water bottle. One can feel comfortable that a water bottle is getting properly cleaned by using The Coldest Water Premium Bottle Brush regularly.

The Coldest Water Premium Bottle Brush allows for very quick and easy cleaning and is the perfect size to clean a Hydro Flask water bottle. The Coldest Water Premium Bottle Brush can get deep inside the crevices and cracks of a Hydro Flask water bottle efficiently and effectively to eliminate dirt and grime that has built up over time.

The Coldest Water Premium Bottle Brush is super durable and extremely strong and solidly built and is made to last an extremely long time. It is also odor resistant and very easy to clean as well as light-weight and can be easily stored on a hook or cabinet for easy access.

Get The Long Bottle Brush

The Coldest Water Premium Bottle Brush is backed by a 100% money-back guarantee and lifetime warranty against manufacturer defects.