LB antibiotic Posted on December 6, 2024August 20, 2025 by Jennifer Ye Table of antibiotic stability in poured agar To make: mL LB with: µg/mL antibiotic and the antibiotic stock is: mg/mL. Cool slightly. then add: µL antibiotic stock solution lineantibioticblackCarbenicillin (ampicillin)greenIPTG