Classroom Microbiology Antibiotic Effects Kit

Classroom Microbiology Antibiotic Effects Kit


Here is a Purchase Order Form, if you need one.





This kit includes live cultures. Must be used within 2 weeks of receiving the package.

The purpose of using this kit is to give your students a hands-on experience of studying the effects of antibiotics on microorganisms.

Product Description
This kit is based on the Bauer-Kirby test. It investigates the effectiveness of 3 antibiotics using disks of chloramphenicol, penicillin and tetracycline on a petri dish. The following day, students measure the clear "zones of inhibition" (clear zones of growth) around each disk to find out which of the 3 antibiotics were most effective against each bacteria.

image of how easy to pour EasyGel® into a plate
EasyGel has pre-sterilized growth media and petri dishes that are ready for your students as you need them for your classroom experiments.
There is no fuss and bother. Just pour the Easygel® into the pre-treated plate and get a sterile gel in 45 minutes!


  • 30 Total Count Easygel
  • 30 Easygel Petri Dishes
  • 3 broth cultures: Enterobacter aerogenes, Bacillus cereus, Sarcina lutea
  • 3 tubes of 30 treated disks: Chloramphenicol, Penicillin, Tetracyline
  • 6 1 mL Droppers
  • Free Teacher's Guide Download

Product Description
FYI: The Kirby-Bauer test, known as the disk-diffusion method, is the most widely used antibiotic susceptibility test in determing what treatment of antibiotics need to be used when treating an infection. This method relies on the inhibition of bacterial growth measured under standard conditions.

To test, a culture medium is uniformly and aseptically inoculated with the test organism.

The organism will grow on the agar plate while the antibiotic “works” to inhibit the growth. If the organism is susceptible to a specific antibiotic, there will be no growth around the disc containing the antibiotic. Thus, a “zone of inhibition” can be observed and measured to determine the susceptibility to an antibiotic for that particular organism.

Package Discounts:
Purchase 10+ and receive 10% off retail price
Purchase 15+ and receive 15% off retail price
(No discount on shipping charges)
Phone 1-800-296-3650

Important Information
Ages 10 and up. Adult supervision recommended.

Does not ship outside the U.S. or to Puerto Rico or Canada

Free with your purchase - Building Your Students' Confidence: Easy & Quick Classroom Activities eBook

Warranty and Return Policy


image of classroom antibiotic effects experiment science kit

Additional information

Weight 8 lbs
Dimensions 13 x 11 x 9 in


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