Bacillus subtilis subsp. spizizenii, ATCC 6633, DuoPak (KWIK-STIK 2 Pack, with built in hydrating fluid), ATCC Licensed Derivative, by Microbiologics

Bacillus subtilis subsp. spizizenii, ATCC® 6633™, DuoPak (KWIK-STIK™ 2 Pack, with built in hydrating fluid), used for USP <61>, USP <71> and USP <81>, ATCC Licensed Derivative®, by Microbiologics®

DUO-PAK™ Two ready-to-use swabs that contain a single lyophilized pellet of a single microorganism strain. Rehydrating fluid is built into the Kwik-Stik unit.These microorganisms are reference stock cultures that have been derived from reference cultucollections such as American Type Culture Collection.

To use, simply crush the rehydrating ampule, mix, remove swab, and inoculate the agar plate.

Each shipment includes a Certificate of Analysis, MSDS, and complete instructions. All shipments are drop-shipped directly from the manufacturer. A hazmat charge will be applied.