Quat Testing for Veterinary Clinics

SKU: 33819-400

$11.95USD or lower Each

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Ensure safe, pathogen-free environments in veterinary clinics and animal care facilities with Indigo® 400 ppm quat (QAC) test strips. Keep a safe & clean environment while meeting regulatory standards and protecting animals and staff.

Veterinary clinics, animal shelters, and other animal care facilities require strict sanitation to protect both staff and animal patients. Using quat sanitizer testing for high-contact surfaces such as examination tables, kennels, cages, and treatment rooms ensures disinfectants are effective against pathogens like Salmonella, E. coli, MRSA, and parvovirus. Verified sanitizer concentrations also help facilities meet state veterinary board regulations, OSHA requirements, and infection control protocols, demonstrating a commitment to both animal and human safety.

We've been selling quaternary ammonium (quat) test strips since 2007. Buy fully documented Indigo® QAC test strips, 100 strips/pack with a guaranteed 3 year shelf life (dated back from expiration date "yyyy.mm.dd"); see storage requirements in Specifications.
Details Specs Docs Reviews
Details

Best Practices for Using Indigo® 400 ppm Quat (QAC) Test Strips

  • Maintain Effective Concentration: Keep sanitizer solutions within the FDA Food Code range of 200–400 ppm. This ensures strong pathogen control without leaving excessive residues.
  • Mix Fresh Daily: Quat sanitizers degrade over time. Always prepare fresh solutions at the start of each shift.
  • Test Frequently: Use strips to check sanitizer levels at least once per shift, and whenever solutions are remixed, diluted, or look cloudy.
  • Document Results: Maintain a sanitizer logbook for HACCP, FSMA, or local health inspections. Inspectors often ask for proof of consistent monitoring.
  • Correct Quickly: If strips read below 200 ppm, remix sanitizer. If above 400 ppm, dilute with potable water until within range.
  • Train Staff Consistently: Ensure every employee can correctly dip, read, and record test results using the strip and color chart.

This test strip can measure the strength of many multi-quat formulations of single, dual and 4-chain quat disinfectants as listed in Quaternary Ammonium Compounds. You can even compare their chemical structures with the Indigo® 3D Molecular Model Builder.

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Specifications

Indigo® 0-400ppm Quat Test Strip Specifications

Dip strip for 1-2 seconds & get readings in 10 seconds at 0-100-200-400 ppm for quaternary ammonium disinfectant concentration. Read strip results immediately. If you wait the 30 seconds needed for some other strips you will get a reading that is too high.

  • Quats are measured at 0, 100, 200, 300, 400 ppm.
  • Quat test strips have a detection limit of 25 ppm.
  • Indigo® test strips have a guaranteed minimum 3 year shelf life but can be 5+ years if stored properly.
  • Store in a cool (20-30C), dry, place out of direct sunlight.
  • For technical explanation, read: Sanitizer Test Strip Expiration; Good Today, Dead Tomorrow?
  • Formula additives can adversely influence the results. Use with formulations other than Oasis 146 should be verified first
  • The number of strips (100) per vial is approximate.

Temperature and QAC strips reading relationship

Temperature vs ppm results for commercial formulations of quaternary amine compounds from 20 to 60oC (68-140F).

T (oC/oF) QAC strips readings at: 0; 50; 100; 200; 400 ppm
20/68 Readings ok for 0-400ppm
25/77 Readings ok for 0-400ppm
30/86 Readings ok for 0-400ppm
35/95 Readings ok for 0-400ppm
40/104 Readings ok for 0-400ppm
45/113 0, 50, 100 ppm readings ok;
200 & 400 ppm read~ 1/2 color square higher
50/122 50, 100 ppm read~ 1/2 color square higher; 200, 400 ppm read 1 color square higher
55/131 Readings 1 color square higher across whole range
60/140 Readings 1 color square higher across whole range
Documentation

A Certificate of Conformance is available on request after shipment.
Indigo® Quat (QAC) test strips are made in USA & calibrated with NIST standards.

Test Strip Documentation
Stability Statement Certificate of Analysis SDS
Indigo Quat - QAC Test Strips 0-400ppm Stability Statement Indigo Quat - QAC Test Strips 0-400ppm Certificate of Analysis Indigo Quat - QAC Test Strips 0-400ppm SDS
Reviews (9)
2024-11-19

Great product and great customer service!

— Davis
2023-05-23

Consistent product, that is used repeatedly, Shipping times are as expected. Online ordering is easy.

— Mik
2023-02-01

Great customer service! Contacted me to let me know there was a less expensive shipping rate available. Very helpful.

— Vanessa
2020-08-25
Good quality product indeed !
— Sureemart
2018-06-07

Great product, much more affordable than competitor prices. Quick delivery.

— Krystle
— Indigo:

Thanks for noting our prices. Our discounts start at just 2 it costs the same to as 1.

2018-05-04

They work wonderfully, was so happy to finally solve my sanitizer testing problems and to use hot water is great as well.

— Cindy
— Indigo:

Thanks for letting us know your experience with hot water. The chemist who designed the strips even provided us with instructions on what to expect when using hot water with quats.

2018-01-09

Great product as always and excellent service.

— john
2017-09-20

Excellent product- temperature range is far more liberal and fits our needs. State surveyor recommended! Down side is cost may be a factor considering old strips are provided for free from our vendor.

— Brett Anderson
— Indigo:

If you are using old strips, be careful as they may not be accurate. We in fact guarantee ours for 3 years minimum. 

2017-08-08
The order came very quickly and is producing the results we hoped for when ordering this product
— Rob
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