Category Archives: Test Strips

Test strips are available for measuring pH, peroxide, chlorine, quat-QAC, sulfites, phosphates, nitrates, humidity & more.

Water Hardness Test Strips

What is Water Hardness? Hard Water Problems
Clogging Pipes, Ruining Coffee?

What is Water Hardness & What Causes It?

Water hardness is simply a measure of dissolved minerals in your water. The most common are calcium carbonate (CaCO3) and magnesium carbonate (MgCO3).  Rainwater is inherently soft but if it encounters limestone or chalk as it seeps into the ground, it can dissolve some of the rock which is made up of those minerals. The rate of dissolution is even greater if the pH of the rainwater is high (acid rain dissolves limestone even more).  Continue reading


Norovirus and the Art of Washing Your Hands

As we have seen in the news lately, norovirus can be a wicked thing. During the Winter Olympics in Pyeongchang, almost 200 attendees were diagnosed with norovirus. Highly contagious, it spreads easily and can hit you hard with nausea, vomiting, and diarrhea; it can take down the healthiest of us. There is no specific cure, but keeping hydrated is the most important factor in your recovery.

The fact that you can get if from infected people, contaminated surfaces or food and water, makes it tough to stop. Norovirus is the leading cause of illness and outbreaks from packaged food in North America. Most outbreaks occur in the food services industry, and is spread by touching the food, surfaces or each other while infected.

how to get norovirus
The various ways norovirus can be transmitted.

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3 Sink Method for Wash, Sanitize Rinse

Wash, Rinse, Sanitize: The Three Sink Method

The health inspector is coming to check your safe food handling practices. Don’t panic! All you need to clean safely is a 3 compartment sink, soap, hot water, sanitizer and our test strips. Watch the video below and you should pass with flying colors.

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Ammonia Leak Detecting Cloth

Ammonia Leak Detection Methods: Test Paper vs Cloth

 What is Ammonia?

Ammonia is a simple inorganic molecule with the formula NH3. It has many important industrial and agricultural uses. Ammonia’s  low molecular weight (17.031 vs water 18.01528) makes it useful a detection tool  but safe handling is required since it can be toxic. Two simple and inexpensive ammonia leak detection methods are discussed.

See our other blog for Water Leak Detection.
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Norvirus-Get Ready

What Kills Norovirus on Surfaces?

Norovirus, aka Norwalk, is in the news again. It’s sometimes called “stomach flu” but has nothing to do with any influenza virus. It does, however, deliver some nasty symptoms above and beyond your standard winter cold. There are no vaccines or antibiotics that can prevent or relieve symptoms but you can reduce your chances of catching it.

Note: we now use; ignore image references to our original domain,

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Chlorine Test Strips

How to Dilute Chlorine Bleach? It’s Easy!

Chlorine Sanitizer/Disinfectant

Chlorine bleach is an inexpensive and widely used chemical for sanitizing and disinfecting in restaurants, childcare centers and hospitals. The recommended concentrations for use in them varies from 200 to 10000ppm.  Labels on supermarket bottle of bleach products offer little guidance on how to dilute bleach correctly for most of these uses. Continue reading