Powder in, ice stays

Water bottle for Liquid I.V. and electrolytes

Owners add electrolyte powder to a Coldest — Cindy uses the 24oz so she can get electrolytes in for the day. After powder, wash the lid: soak 30 minutes in warm soapy water or vinegar, rinse, and air-dry it open. Printed, glitter, glow and glossy finishes are not dishwasher safe. The bottle is rated up to 36+ hours* cold with a COLDEST Chug or Sports lid closed.

  • 24oz is the powder size owners pick
  • Wash the lid after powder
  • Not dishwasher safe
24oz Limitless
24oz Limitless
15oz Limitless
15oz Limitless
36oz Limitless
36oz Limitless

Bottles people put powder in

Pick a size, then wash the lid

124 designs in stock. The 24oz is the size owners name for powder.

Powder + ice

The bottle holds the mix. You wash the lid.

We do not sell Liquid I.V. packets. We sell the bottle people put them in.

  • 24oz for a packet

    Cindy picked the 24oz as a perfect size for powder electrolyte. Allison uses 24oz for hot drinks and electrolytes and 36oz for water.

    ★★★★★

    It is a perfect size to add a powder electrolyte to my bottle so I can get my electrolytes in for the day.

    CindyVerified buyer · 24oz Limitless · Mar 2026

  • Ice still matters

    The bottle is rated up to 36+ hours* cold with a COLDEST Chug or Sports lid closed. Powder does not change that rating.

  • Wash the lid after powder

    Powdered drinks sit in a mouthpiece. Hand-wash. Soak the lid 30 minutes in warm soapy water or vinegar, rinse, air-dry open. Not dishwasher safe.

  • We do not quote a mold story

    A 3-star review about powder and a lid is why the wash step is on this page. We do not use a 3-star review as a quote.

Care

How to clean a lid after powder

First-party care, not a review.

Hand wash the bottle and lids with warm soapy water. Printed, glitter, glow and glossy finishes are not dishwasher safe.

To deep-clean a lid, soak it for 30 minutes in warm water with a little dish soap or vinegar, rinse, and air-dry it open. Never freeze or microwave the bottle.

In their words

Owners who add powder

Two unique 4+ star reviews. We do not have a unique LMNT quote in the corpus.

  • ★★★★★

    It is a perfect size to add a powder electrolyte to my bottle so I can get my electrolytes in for the day.

    CindyVerified buyer · 24oz Limitless · Mar 2026
  • ★★★★★

    I like to buy both the 36oz & 24oz so I can have the 24oz for my hot drinks and electrolytes and the 36oz for my water and other cold beverages.

    AllisonColdest review · 36oz Limitless · Apr 2026

Questions

Electrolyte bottle questions

The mix

Can I put Liquid I.V. in a Coldest?
Owners do. We do not sell the packets and we do not test every mix. The bottle is 18/8 stainless steel. Wash the lid after powder.
What size is best for electrolyte powder?
Cindy and Allison both name the 24oz for powder or electrolytes. A 36oz or 46oz holds more water if you dilute more.
★★★★★

It is a perfect size to add a powder electrolyte to my bottle so I can get my electrolytes in for the day.

CindyVerified buyer · 24oz Limitless · Mar 2026
What about LMNT?
Same bottle, same wash. We do not have a unique owner quote that names LMNT, so we do not invent one.
Do I need a shaker for powder?
The 15oz Limitless ships with the Blendinator shaker insert. See stainless steel shaker bottle. Larger sizes do not include that insert.
Can I add ice with the powder?
Yes. Pack ice, add water and powder, close a COLDEST Chug or Sports lid. Rated up to 36+ hours* cold with that lid closed.
Can I use a Cirkul lid with powder?
Cirkul lids twist onto six Coldest bottles with no adapter. Clean the Cirkul lid the way Cirkul tells you to. See the Cirkul page.

Cleaning

How do I keep powder from sitting in the lid?
Wash the lid after powdered drinks. Soak 30 minutes in warm soapy water or vinegar, rinse, air-dry open. That is first-party care, not a review quote.
Is it dishwasher safe?
We recommend hand washing. Printed, glitter, glow and glossy finishes are not dishwasher safe. Wash the bottle and lids with warm soapy water. To deep-clean a lid, soak it for 30 minutes in warm water with a little dish soap or vinegar, rinse, and air-dry it open.
How often should I wash it if I use powder daily?
After each powdered drink is the safe habit. A soak is the deep-clean when a rinse is not enough.
How long do they stay cold?
The Limitless and the GO are rated up to 36+ hours* ice-cold with a COLDEST Chug or Sports lid closed. The 20oz Tumbler is up to 20+ hours* cold and up to 13+ hours* hot.
Is there a warranty?
Eligible drinkware bought from coldest.com has a limited lifetime warranty. The 20oz Tumbler is not on that warranty. See the warranty page.
Can I personalize it?
Yes on Limitless, GO and the 20oz Tumbler. Switch on Personalize on the product page. The fee is shown there before you add it.
Can the lid go in the dishwasher if the print cannot?
We still recommend hand washing lids. The finishes that are not dishwasher safe are printed, glitter, glow and glossy. A soak is the deep-clean we publish.

Mix. Close. Wash the lid.

Pick the bottle under the powder

124 designs in stock. The 24oz is the size owners name for electrolytes.

We do not sell Liquid I.V. or LMNT. Wash the lid after powder. Not dishwasher safe.