Yeast & Mold Sampler. Contains m-Green medium for recovery of yeast and mold. Easy-to-Use: -Just add a small sample of liquid to the pre-sterilized sampler or wipe a surface of interest with the swab -Results achieved by visual counting of colonies Ready-to-Use: -Pre-measured dehydrated agar in the sampler -Stable at room temperature for storage and for incubation