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  • Tests 0-400ppm
  • Includes color chart and 100 test strips
  • Easy-to-read color chart for immediate results
  • Measures quaternary sanitizing agents to detect exhaustion or excessive amounts
  • Simple, reliable, and economical
UPC Code:400012307973
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Ensure your solutions are safe for use with these Noble Chemical QT-10 quaternary test strips!

Noble Chemical QT-10 quaternary test strips are the simple, reliable, and economical way to measure the concentration of quaternary sanitizers, including n-alkyldimethylbenzyl and/or n-alkyl dimethyl ethyl benzyl ammonium chloride, and rocall II. Each strip measures concentrations between 0-400ppm (parts per million), with color matches at 0, 100, 200, 300, and 400ppm.

  • Made in America

    Made in America

    This item was made in the United States of America.

Easy-to-Read Color Chart

Each strip measures concentrations between 0-400ppm (parts per million), with color matches at 0, 100, 200, 300, and 400ppm. The distinct color chart and accurate, reproducible readings give an immediate response for quick and easy use.

Meets Requirements

Federal, state, and local health regulations require users of quaternary ammonium sanitizer solutions to have appropriate test kits available to verify the strength of sanitizer solutions. This kit meets those requirements.

Easy to Use

The distinct color match at each full unit makes it easy for the user to detect exhaustion of solutions that should be replaced. It also helps avoid the use of excessive amounts of sanitizing agents, to avoid wasting product! Simply remove a strip from the vial, dip the strip into the sanitizing solution for 10 seconds, then instantly compare the resulting color with the color chart.


Sanitizer solutions are essential in the food service industry. These strips ensure that those sanitizers are at the proper concentration. For accurate results, the test solution should be between 65 and 75 degrees fahrenheit. Do not test foam. Also, store these test strips away from areas with high humidity or where they may be exposed to water before use, as those conditions may compromise results.

Compare to Other Products

Kit Includes:
  • Vial:1
  • Color Chart:1
  • Test Strips:100

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Overall User Rating:

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4.9 stars from 67 reviews


People Talk About:

strips test great easy health price sanitizer department inspector purchase

Customer Reviews

See All 67 Reviews
1 out of 1 found this review helpful

This test strips are very accurate and easy to read. You'll need these if you're working in any kind of commercial kitchen setup. Highly recommend.

Matt B. from MAD Meal Preps on 05/06/2017

I love the textures for my laundry mat we use them to wash clothes and wash everything and it comes out great and we are actually running out of test strips I need to purchase some more

Edward C. from Laundromat on 04/07/2022

The Noble Quaternary test strips work great with our sink sanitation system. They are inexpensive and are stored in a handy vial for easy dispensing.

A H. from Mountain Grove School on 09/20/2020

Got to have them to check sanitizer prep, these are easier to use than the tear off tape kind. Nice big colour patches on the label for easy concentration reference.

Peter S. from The Levee Brewing Company, Inc on 06/13/2020

These test strips are very convenient and easy to use. I have a limited need for them so a 100 count vial is perfect for me. I recommend this product.

Beverly G. on 04/24/2020

Good quality and grade, meets requirements for making sure your cleaner is up to quality standards, for the price you really can't beat it. Worth the buy

Raymond R. from Harvest Park Bowl on 03/27/2020

These work great for testing your sanitizing water or solution to make sure your using the correct amount, I recommend having these, makes it very simple to test.

Joe C. on 03/06/2020

They work really well! I prefer these individual strips over the tape- just simpler to grab and dip rather than messing with tearing out tape. I feel like it is easier to be less wasteful with these pre-measured pieces rather than allowing people to tear out big pieces from the dispenser. Great value for the amount received.

Molly K. from NFH on 02/19/2020

These nobel chemical qt-10 quaternary test strips are reliable and practical. As everyone knows, safety is most important, and this 100 count vial makes it easy to check.

Wayne S. from Wayne's Smoke Shack on 01/31/2020

These test strips are perfect for our needs in the restaurant. The plastic vial is perfect to store these easily. These are also perfect for when the health inspector comes by!

Perry F. from Charleston Sports Pub on 01/13/2020

Necessary and practical, these test strips will help to determine the safety of your sanitizer water. Large quantity supply means not having to constantly reorder.

Danielle A. from Revival Eastside Eatery on 01/10/2020

every time the health inspector stops by they will grab a few of these from me and use them in my sanitation water. works perfectly every time!

Darien M. on 12/31/2019

A must have in any food truck, commissary kitchen, or commercial situation. We're using these along with sanitizing tablets they are companion products and should be used together, to know the exact ppm of your solution.

James L. from Rollin Smoke BBQ CO. on 12/16/2019

Does not adjust at all to the chemical. Test strip stays the same color throughout. Even confirmed with our Health Inspector and he said that we need to get a different brand. Very disappointed and now will have to buy another product to pass inspection.

Sun C. from Yummys Korean BBQ & Sushi on 12/05/2019

Thank you for your feedback! We’re sorry you did not prefer this product. For recommendations, please contact our Customer Solutions team.

WebstaurantStore Customer Solutions

Work great for testing our quat levels, haven't been able to verify if they are accurate against other since the health department hasn't checked ours with their own yet. Make sure to store them in a dry place!

Sarah A. from Pizza Fresca on 12/04/2019

Great quaternary test strips from Noble chemical. These are very easy to use due to them being individual strips. The bottle a well built and keeps the strips protected from light.

Kyle F. on 11/27/2019

Good product that is put out! If your needing to test your sanitize solution and want to do so at a low cost I suggest this amazing item!

Isaiah M. from FAPC on 08/12/2019

We use these strips daily to see the concentration of the quay sanitizer also is required by our local health department to have on site

Bill W. from Bricks Wood Fired Pizza & Cafe on 08/08/2019

works great with my concession, I always know how much to use, these are a must with my tablets, and you get a ton in one bottle, price is really great

Kent P. from Profitt's Roasted Corn & Taters on 06/11/2019

I always make sure to have both bleach and quat test strips. You never know when one sanitizer will run out and you have to substitute something else.

Benjamin L. on 05/04/2019

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