Free Chlorine VS Total Chlorine
We often get asked by customers or end users if our chlorine test strips measure free chlorine. There is sometimes confusion between the terms free chlorine and total chlorine and what they mean. This is [...]
Common Health Inspector Issues and Ways to Avoid Them
We sell a lot of sanitizer test strips (chlorine, QAC, peroxide) into the foodservice industry, and we frequently get calls from folks who have a health inspector at their facility with questions they can’t answer, [...]
Misuse of Potassium Iodide Starch and Chlorine Test Papers
Our Potassium Iodide Starch test paper detects available iodine, chlorine and peroxides in solution. Lower levels react with the strip at 5 – 10 ppm. Iodine requires approximately 60 seconds to react, and initial reactions [...]
How to Dilute Household Bleach
If you’ve never done this before, it can initially be confusing trying to determine how to dilute chlorine bleach to get 50ppm (parts per million) or whatever disinfection level is needed in your particular situation. [...]
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 [...]
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 [...]
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 [...]
Bartender’s Guide to Sanitation
Food safety and sanitation aren’t limited to the kitchen. Bars should also have procedures in place for a sanitary environment. Quite frankly, we want to know the restaurants and bars we attend are clean and [...]
The Human Eye: Perception of Color
We are often asked if we can make test strips or color charts in smaller, closer increments, and we always want to say “YES!”, but we sometimes have limitations. To understand color chart limitations, we [...]
Tech Talk with TCD Parts: Dishware Cleaning Tips
When you’re running a kitchen, it’s important to run a tight ship. We’re not saying you have to go all Gordon Ramsey on your staff, but proper training and a bit of knowledge can go [...]