Traditional urease and indole tests require long incubation and require special handling for anaerobes.� The Urea/Indole Wee-Tab gives results for both Urease and Indole production, incubates aerobically for 2-4 hours, and has 28 ready to use tubes per package.� The tablets are stored at room temperature with a long shelf life. KEY Urea/Indole tests may be used for enterics and other types of bacteria, including anaerobes and Campylobacter species.