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There are 2 kinds of petri dishes one invented in 1877 a solid gel of short shelf life needing refrigeration. A slant/liquid and solid culture media with petri dish was invented in the mid 1970's. The Florida Institute of Mold methods call for the petri dish invented in the mid 1970's. Mold inspections and mold testing using Scientific mold test kits
Mold Inspectors Optimum Recovery and Isolation for Broad Spectrum Identification, Easygel ® recovery media Yeast and Mold Test Kits
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Multi Specie Optimum Recovery High Ph Mold inspector Easygel ® mold test kit. Includes: |
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Multi Specie Optimum Recovery Low Ph Mold inspector Easygel ® mold test kit. Includes: |
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Stachybotrys Yeast Mold Test Kit. Two Easygel ® coated petri dishes and Easygel ® Scientific Yeast Mold Test Kit media with optimum recovery spore trap methods. Can be used to air test, swabs, tape lift cultures, verify Stachybotrys growth and easily recognize multiple species of yeast. To see a comparison of the Stachybotrys mold yeast test kit to uninhibited media Click Here |
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60 mm Dish Yeast Mold Test Kit This dish best uses liquid Easygel ® Scientific Yeast Mold Test Kit media and is useful to separate Aspergillus Penicillium as Penicillium will not grow well in liquid media unless the Penicillium spore is dominate in the sample. Aspergillus grows slowly as a rule and although growth is not vigorous this method is useful in the promotion of isolate samples. More on the 60 mm Aspergillus Penicillium Mold test kit | |
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If you do not have an impactor, misted settling is a fast and easy yeast and mold spore trap. This method is not good for count; however, if the plate is too numerous to count (TNTC) after 3 or 4 days, there is probably a lot of mold in the air. Settling should be forced the using the Micrology Laboratories Easygel ® diluent. Spray the air 6 feet above the Easygel ® coated petri dishes until a fine mist lands in the Easygel ® coated petri dish. Settled spray may actually coat the bottom of the Easygel ® coated petri dish; this will not affect the set of the Easygel ® Stachybotrys or Aspergillus mold formula. Settling may take as much or as little time as you wish, as there are no standards. What we have found is that with several misting's through the settling period as short a time as 15 minutes in a heavily infested environment can fill a plate, whereas, in a clean environment 2 or 3 hours may recover few to no mold or yeast spores and or vegetative matter. | |
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The impactor is made by Micrology Laboratories LLC. It is an inexpensive impactor that can take a 1200 liter sample or larger. Suggested sample time 20 minutes, or about 400 liters. It is suggested that the Easygel ® diluent and mold media be used with this sampler. The impactor uses Micrology Laboratories LLC diluent as a capture medium. The diluent may then be dispersed into several Easygel ® coated petri dishes and the desired mold media (Stachybotrys or Aspergillus) added for growth of multi species yeast and mold. Dispersion of spores and vegetative material facilitate isolate growth of molds and yeast, providing easy retrieval for purposes of laboratory identification. Recovery will facilitate count evaluated as low, medium or high in reference to the number of colonies of a certain type recovered. Dominate species will be readily recognizable; however minor species may recover more slowly than most recovered yeast and molds. | |
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