Description GelGreen™ Nucleic Acid Gel Stain, 10,000X in water 0.5mL By Biotium Sensitive and Safe More sensitive than ethidium bromide. Optimal sensitivity with blue LED light illumination. GelGreen™ DNA stain is non-cytotoxic, non-mutagenic, and does not penetrate latex gloves or cell membranes. Dilute 1:10,000 for pre-cast gel staining or 1:3,000 for post-staining. Dispose down the drain or in regular trash. Skip the hassle and the mess of making your own gels. We’ll make them for you!