Ringers solution 1/4 strength tablets, suitable for microbiology, NutriSelect(R) Basic

2,2'-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt, tablet, 10 mg substrate per tablet

4-Nitrophenyl phosphate disodium salt hexahydrate, tablet

o-Phenylenediamine dihydrochloride, tablet, 10 mg substrate per tablet

Phosphatase substrate, 5 mg tablets

Sodium chloride, tablet

Tris Buffered Saline, tablet

3,3',5,5'-Tetramethylbenzidine, tablet, 1 mg substrate per tablet