*checking aerobically & anaerobically for glucose, lactose & sulfer fermentation.
6 slants with E. coli, P. aureus, salmanilla, A. aero, E. faec, E. aero
we zig-zag pattern each one after stabbing down 1/2 cm from butt of tube
*the black slant is + pos for sulfer
*the yellow/yellow e.coli is acid fermentation for glucose & lactose
*the yellow one that cracked and lifted up is pos+ for gas production
*if no change in butt and red slant it is aerobically alkalinity
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