Lonza s 15-399 powder is a skeleton DMEM basal powder made to reconstitute all liquid DMEM basal formulations This powder is available in 10 50 100 or 1000 containers This means these containers can make 10 50 100 or 1000L of liquid medium when dissolved in water To make a specific formulation you need to add to the DMEM basal powder HEPES NACl according to our instructions NaHCO3 is not included in our powder formulation as it is more convenient to add it to the liquid for better pH adjustment This BioWhittakerTM Cell Culture Powder is produced according to cGMP and labelled For Further Manufacturing (FFM) GMP Products are intended for research or further manufacturing use only THIS PRODUCT IS NOT INTENDED FOR DIRECT THERAPEUTIC USE IN HUMANS