2 Another drawback of mold testing kits when compared to home mold testing specialists is the fact that most are not designed to sample and grow Stachybotrys AKA toxic black mold. Their are many species of mold some are harmless and some can make you very sick. Pin On Small Spaces Every lot of Nunclon Delta surface plastics is tested with trusted Gibco media. Black mold petri dish . This mold grows very slowly so by the time it is starting to germinate in the petri dish the dish has likely already been disposed of by the lab analysts and is now in the city dump. It might be bought at Sears the majority of grocery shops or on line at Sears PartsDirect Here are other methods to clean the mold in your dishwasher. In the closeup of a mold culture petri dish growth shown in our photo at above-right high-powered microscopic examination was necessary to identify Penicillium sp photo at left as one of the several mold genera growing among these green grayand dark gray colored mold colonies...