With 25 years experience making prepared media SGL provides quality ready prepared media for environmental monitoring and process validation within pharmaceutical, cosmetic, toiletry and other associated industries. SGL is uniquely placed to offer the quality, continuity and flexibility required by modern industry. See our range of Aircheck and Surfacecheck plates for environmental monitoring or our range of Pharmacopoeia compliant Liquid Media solutions for sterility testing, Bio-Burden and preservative efficacy testing applications.