frost-free

[T.J. Fitzmaurice]

In article <Pine.A32.3.91.941220154056.28200A-100000 at rs1.tcs.tulane.edu>,
Brick Ayola <abrick at MAILHOST.TCS.TULANE.EDU> wrote:
>Greetings!
>I recently entered a laboratory that was storing molecular biology 
>reagents in a -20C frost-free freezer. Among the items were expensive PCR 
>polymerases <shudder>. I obtained "coolers" designed for 
>the storage of enzymes. However, problems remain with PCR results. Should 
All our PCR enzymes are stored at -20C as recommended by their manufacturers
(usually Perkin-Elmer I think) and they all work just fine.

Tim