Appearance: Light beige to tan, homogeneous, free-flowing powder

Solubility: Light beige to amber, clear to slightly hazy, complete after autoclaving

Final pH: 7.0 ± 0.2 at 25°C

Lactobacillus acidophilus ATCC 11506: Good growth Staphylococcus aureus ATCC 25923: Good growth

Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

Suspend 23.5g of the powder in 1L of distilled water. Mix until evenly dispersed. Heat with repeated stirring and boil for 1 minute to dissolve completely. Dispense into appropriate containers, loosen caps and autoclave for 15 minutes at 121ºC (15psi). Sterile solidified medium can only be remelted once; do not heat medium longer than 3 hours at 45-50ºC .

Store powdered media at RT. Stable for 12 months after receipt. Opened bottles should be capped tightly and kept in a dark, low humidity environment. Prepared media should be kept at 4°C and used within a short period of time.