For over 40 years, Dr. Jonathan Roth has been revolutionizing the microbiological testing industry with some of the most innovative and easy-to-use testing methods available. Our products are designed to streamline the process, while offering significant time and cost savings. We also offer free technical support and advice through every step of the process on all our products.
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Latest From The Blog
Testing 2mL-100mL Aqueous Samples on R-Card® Using Membrane Filter
Superior Microbiology Technology That Saves The Environment From Mega-Tons Of Petri Dish Waste
Stella Bowles: (age 17) river testing for fecal contamination influenced a $15.7 million government project to clean the LaHave River in Nova Scotia
Testimonials on How Easygel Card Technology (now renamed as R-Card®) Made it Possible
Options For R-CARD® Use
Option #1. R-CARD® (3.5”x 4”) Inoculate with 1 mL of aqueous inoculum - Option #2.R-CARD® (3.5”x 4”) Filter the aqueous inoculum thru a 47mm, 0.45µm Micropore Membrane filter - Option #3.R-CARD® (4” x 4.5”) Inoculate with 3.0 mL of aqueous inoculum
Evaluation of Easygel Card (now renamed to R-Card®) for detection of Aerobic Bacteria Counts
Easygel Card (now renamed to R-Card®) vs 3M Petrifilm