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pH Tolerance of Microbes Kit (with voucher)



Intermediate—Easy to perform; requires some basic training in microbiology.

For a class of 30. All microbes have an optimal pH range within which they thrive. They also have a minimum and maximum pH beyond which they cannot grow. Students observe the effect of pH (ranging from 3 to 11) on microbial growth. Requires 2 to 3 days from setup to completion. With teacher instructions.

Note:Keep bacteria cultures and agar at room temperature; do not incubate or freeze.

** Kit and perishable components will ship separately and may arrive on different days.

   This item is sold and shipped to schools and businesses only. Not available to individuals or residential addresses. For substitution suggestions, please call us at 800.334.5551 (8am to 8pm, ET, Monday-Friday).

For Educational Use Only. All orders are subject to Carolina’s Terms and Conditions


Shipping Information or Purchase Restrictions
  • This item is sold and shipped to schools and businesses only. Not available to individuals or residential addresses. Visit our Login & Registration page to learn how to create a Login and link it to an approved school or business account.
What’s Included:
  •  Bacillus brevis Plate Culture
  •  Bacillus coagulans Plate Culture
  •  Micrococcus luteus Plate Culture
  •  Penicillium chrysogenum Plate Culture
  •  Pseudomonas fluorescens Plate Culture
  •  Saccharomyces cerevisiae Plate Culture
  • 2 Serological Pipets (5 mL)
  • 5 Bottles Nutrient Agar with 0.5% Dextrose
  •  Potassium Hydroxide, 1 N (10 mL)
  •  Hydrochloric Acid, 1 N (10 mL)
  • 36 Sterile Applicator Sticks
  • 40 Sterile Petri Dishes
  •  Autoclave Disposal Bag
  •  Teacher Instructions
Return Policy:

If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.


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