Plastic petri dishes-not just for microbiology; use them for seed germination, storing beads or even as Jello dessert trays; only $7.95 for 20 dishes.
We do not supply agar but you can buy it at baking goods stores. Or, you can use gelatin instead-see below for a simple recipe you can do at home.
Plastic petri dishes are by their nature, disposable. However, some types are extremely flimsy. Ours are 1.1-1.2mm thick & weigh ~16g each which can be as much as double as the cheaper ones.
You can easily prepare your own general culture media which should support common bacteria & molds using the following instructions: Homemade Microbial Media. Or, you can try some of these nutrient agar recipes.
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