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Description
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. Complete with teacher instructions. Keep bacteria cultures and agar at room temperature; do not incubate or freeze. Perishable cultures included. Kit includes enough materials for a class of 30.
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