Practi-Powder® White 20 mL (for training)Practi Powder White 20 mL, for clinical training, is a white powder to simulate multiple drug dosages for reconstitution. Each 20 mL vial contains a white powder that dissolves in either 0. 9% NaCl or water. The Practi Powder White 20 mL label is designed to accurately reflect multiple antibiotic dosage strength preparations. Practice the Skills of Reconstitution: Read and interpret medication labels Sterile vial opening and handling Adding and mixing