Product review for Economical Glass Petri Dishes Please read our review guidelines and see the terms of use of posting a review. Overall Rating: and share your thoughts with other customers Sort Reviews: Newest | Oldest | Highest Rating | Lowest Rating   :: Viewing page 1 of 1  -  Tuesday, October 27, 2009 Reasonably priced alternative to Pyrex Reviewed By: the FOG (Riverside, New Jersey) These are a suitable alternative to expensive Pyrex Petri dishes for most uses. However, the box I received contained one dish with a markedly convex bottom which could render it unsuitable for some applications. Otherwise, these should be fine for culturing microorganisms.

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