Using a weigh boat and scoop, weigh 19.5g potato dextrose agar. For water agar and bacteriological water agar, measure 10g bacto agar per 500mL. For bacteriological agar, also measure 0.25 g/500mL Penicilin G and 0.25g/500mL Streptomycin Sulfate to be used after media has been autoclaved.
