Polystyrene Petri plates feature raised rings for stacking ability and prevents sliding
Packaged in sleeves of 10 plates in a "breathable" bag that prevents build up of condensation and excess moisture
DTM will turn red within a few days when a dermatophytic fungus is present, which is a cause of ringworm
RSM is also useful for observing the true pigment formation of the colony, the media will turn blue to blue green in the presence of dermatophytes, and will induce the rapid formation of spores to facilitate identification using the microscope