Phone: (519) 746-4761

Canadian Address:

169 Lexington Court, Unit I

Waterloo, ON, N2J 4R9


US Address:

Niagara Falls, NY 14305

Canadian/International ship from Waterloo; US orders from Buffalo, NY.

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Quat Sanitizer Test Strips

100, 400, 1500, 10000ppm: organic farms, restaurants, foot baths.

Get accurate results in <10 seconds; why wait a minute?

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Quaternary ammonium chloride solutions come in many varieties. Ours are calibrated for Oasis 146 but can be considered multi quat sanitizer test strips since results for other formulations such as the ones below will still be accurate.

Quaternary Ammonium Compounds List

benzalkonium chloride
benzethonium chloride
methylbenzethonium chloride
cetalkonium chloride
cetylpyridinium chloride
dofanium chloride
tetraethylammonium bromide
didecyldimethylammonium chloride

Quats they have their advantages & disadvantages:

  1. Work best in the pH range of 8-11
  2. Loses potency in hard water (see hard water test strips)
  3. Color charts start to deviate at 45C (110F) & above.


See Technical Tab for correct interpretations.

If you have an interest in chemistry, try our 3D Molecular Model Builder. It should be able to render all the above compounds. Note though the chlorides will appear dissociated from the main structure.

Follow the directions on the label. All our quat strips are "quick response". In other words, dip the strip & compare to the color chart immediately. If you wait, the color will develop further & give a false high reading.

Temperature and QAC strips reading relationship

Temperature vs ppm results for Hyamine 1622 (Fluka) warmed up from 35 to 60oC (95-140F).

T (oC) QAC strips readings at: 0; 50; 100; 200; 400 ppm
35     Readings ok for 0-400ppm
40     Readings ok for 0-400ppm
45     0, 50, 100 ppm readings ok; 200 & 400 ppm read~ 1/2 color square higher
50     50, 100 ppm read~ 1/2 color square higher; 200, 400 ppm read 1 color square higher
55     Readings 1 color square higher across whole range
60     Readings 1 color square higher across whole range