I had a few other petri dishes that I preserved with agar so I can take samples after the weekend but after the weekend, I found bacteria has already grown in them and actually, I did not even seal them because I did not know bacteria was going to grow, one was open. What should I do? How can I use these petri dishes that had bacteria grow in them unintentionally in my science fair project?
I was culturing bacteria and I grew some bacteria in a few petri dishes but?
- Thread starter Minno
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