AMRESCO's Ethidium Bromide solution, available in convenient dropper bottles, offers the ultimate in convenience and safety. The solution is provided at a concentration of 0.625 mg/ml. A final working concentration of 0.5 µg/ml is easily obtained by adding 1 drop of solution to 50 ml of molten agarose, running buffer or staining buffer. Ethidium Bromide solution in dropper bottles may be stored at room temperature for up to 1 year. Dropper bottles are shatter-resistant and light-proof. No additional hazardous shipping costs are applied to Ethidium Bromide dropper bottles.