About Water Bottle Advisor

We test bottles, record the results, and show our work.

We buy and test the bottles we write about, take our own measurements and photos, and keep track of the details that are easy to miss on a product page. The goal is simple: know the product well before we recommend it.

Testing reusable water bottles and hydrogen water bottles with measurement tools
A collection of reusable water bottles arranged on a table for Water Bottle Advisor testing.

We wanted better answers than a product page could give us.

Too many bottle reviews repeat the same specs, features and manufacturer claims. That was never very useful to us.

So we do the obvious thing: get the products, use them ourselves and test the things we would want to know before buying.

120+drinkware and hydration products tested
30+brands tested
Since 2023hands-on testing and documentation

How we test products.

Our testing follows a detailed protocol of dozens of repeatable tests, applied consistently to the bottles we review. Download the full testing protocol PDF below to see how we assess performance, usability, cleaning and durability.

A digital caliper measuring the opening of a red reusable bottle.
WBA testDimensional measurement
A red water bottle inverted on paper towels during a leak test.
WBA testLeak testing
A hand cleaning the inside of a black water bottle with a bottle brush over a sink.
WBA testCleaning test
  1. Use it

    Carry it through desk work, walks and daily routines.

  2. Measure it

    Record weight, dimensions and measurable performance.

  3. Stress it

    Repeat lid, usability and durability procedures.

  4. Report it

    Document the results, trade-offs and annoying parts.

Full testing protocolPDF · v1.0
Download full testing protocol ↓

No AI policy

Tested by us.
Not generated.

The reviews, photos, videos and test results you see on WBA come from real products and real testing. We do use AI behind the scenes for some internal tools and workflows, but not to create the evidence we publish.

01 · HUMAN-MADE

Original photography

The photos on WBA are our own and show the products we actually have in front of us.

Actual product · Original WBA image
02 · HUMAN-MADE

Physical test data

If we publish a measurement, it came from a real test we ran and recorded.

Measured physically · Not simulated
03 · HUMAN-MADE

Original video

Our videos show the real product, the real test and how it behaves in use.

Real procedure · Real-world use
04 · HUMAN-MADE

Hands-on verdict

Our verdict comes after we have used the product, checked the data and looked at the trade-offs.

Human judgment · Trade-offs included

Where we draw the line

AI can help us work more efficiently. It cannot replace the product, the test or the person making the judgment.

Affiliate links & free products

How we handle affiliate links and free products.

Some of the products we test are sent to us by brands, and we may earn a commission when someone buys through one of our links. Neither changes how a product is tested or scored.

01

Brands cannot buy a better score

Affiliate commissions, sponsorships or free products do not add points or change the scoring rules.

02

A free product is still reviewed like any other

Sending us a bottle does not guarantee a recommendation, a positive review or softer criticism.

03

We do not remove problems because a brand sent the product

If something leaks, feels uncomfortable, is difficult to clean or simply disappoints us, we say so.

A brand can send us the bottle. The opinion is still ours.

Jeremiah Kowalski drinking from a black reusable bottle during testing

Meet Jeremiah.

Jeremiah Kowalski · Founder of Water Bottle Advisor

Jeremiah spends most of his time here testing products, improving the WBA Score and finding better ways to compare bottles.

He develops our testing protocols and reviews the results that feed into the WBA Score and Bottle Database. It starts with a simple question: what is this bottle actually like to live with?

Read Jeremiah’s full author profile →
Floppy the cat next to an Owala water bottle
Regularly present around the products
Floppy the cat next to a hydrogen water bottle

Behind the scenes

And then there’s Floppy.

There are usually bottles, testing gear and spreadsheets around here. There is also Floppy, who tends to appear whenever we are unpacking a new bottle or trying to take a photo without a cat in it.

Keep exploring

Start with the products.

The Bottle Database brings our test results, scores and product data together.