Agar-Agar, Noble quality ultra pure, for bacteriology Due to an addtionional purification process the product obtained has an excellent clarity, absence of color, excellent diffusion characteristics, absence of toxic inhibitors, very low ash content and other impurities. Excellent clarity Excellent diffusion properties No toxic inhibitors Very low impurities Qualitatively high-grade Agar which is clearly superior to bacteriological Agar in its purity.Forms very clear gels.Essentially free of impurities that could interfere with other products in culture media formulation. Free of bacterial inhibitors. Directions for use Recommended in media to be used for the determination of susceptibility of microorganisms to antibiotics or drugs.