Penicillin Positive Control (IDEXX 980651300)

Recommended for use as a daily control for the SNAP beta lactam test. Reconstituted milk-based positive control contains penicillin G at 5 PPB with an accuracy of ±10% (as required by FDA memorandum M-a-86). Before reconstitution, store refrigerated or at room temperature.
After reconstitution, store refrigerated or at room temperature and use within 24 hours.