DISPOSABLE VERSUS REUSABLE PIPETTES

Another issue that arises is whether cost savings accrue by using house brands versus those from internationally recognized producers of glass. Table A-1 also compares list prices from one supplier s catalog for their own brand compared with a widely recognized manufacturer. Although indi- 

Disposable Serological Pipets (National Brand) Plastic, sterile, cotton-plugged. 

Several commercially available preformulated agar media serve as the basis for much of the laboratory work discussed in the book. Unless one wishes to prepare growth media from scratch using raw materials, those identified in Table A-2 appear to be a required cost. Premade and poured media is also available from major supply houses. However, these are generally marketed for medical microbiological applications. Commercial winery laboratories may market premade/poured media. 

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