Why isn’t the beer pH test strip color changing when I test my homebrew mash?
We get quite a few questions on our Beer pH Test strips from homebrewers, and more often than not, the question or issue is similar. Today, we're going to hopefully clear a few things up by [...]
Green Thumb, Neutral Soil: Testing Soil pH
Mary, Mary quite contrary, how does your garden grow? With healthy soil pH; didn’t you know!? The pH of soil can vary from region to region, and it affects plant’s ability to absorb nutrients. A [...]
Halloween Candy Glucose Experiment
What’s better than dressing up as just about anything and getting free candy? A science experiment of course! Don’t worry, you’ll have plenty of candy to spare a few for a fun educational investigation. In [...]
How do I read the results of 3-pad pH test strips?
"I purchased the 3-pad pH test strips, and I'm not quite sure how to read the results. Why are there different colors for each pad? I don't know what each color means. Could you please educate [...]
Sour Beer: The Bugs Behind the Taste
Sour ales have become an increasingly popular trend in homebrewing and craft beers recently. When we found out the taste is achieved by using certain wild yeasts and bacteria, our ears perked up. Of course [...]
Tech Talk with Diagnostics Direct: Hotel Disinfection
Diagnostics Direct has been providing quality medical and institutional supplies at competitive prices for over 14 years. They supply a variety of products including personal protection, medical supplies, janitorial supplies, disinfectants, and of course, test [...]
Sushi Rice pH: What’s Safe?
Sushi is best made with rice slightly warmer than room temperature, so it’s not uncommon to see sushi rice held in the “danger zone” for several hours. Health departments have been cracking down on testing [...]
Protein Error of Indicators: QAC & Protein Test Strips
All test strips have limitations, and we believe that if our customers know what those limitations are, they are better able to perform reliable tests with accurate results. We’ve touched upon the limitations of pH [...]
Testing pH: Ionic Strength & Buffering Capacity
When customers experience issues with our pH test strips, we often look to the solutions they’re testing as one possible cause. The majority of our pH test strips are designed for use in aqueous (water-based) [...]
The Chemical Museum
At a company that’s been around since 1932, sometimes we like to reminisce about “the good ‘ol days”. We keep a few reminders around of when the company was in its youth, and we decided [...]
Germy Jobs
Dirty Jobs was a great TV show, but we think Discovery should make a spin-off called Germy Jobs! Germs are more up our alley, and there are certainly some germy jobs out there. We’ll set [...]
Restaurant Test Strips and Sanitizers: A Complete Buying Guide
Commercial sanitizers and test strips are a requirement of health departments across the country. Why? Because test strips tell you if the chemical sanitizing solution is the required concentration. Remember our article on Sanitizing vs [...]