incubation period for tsa plates
12.6 Include an unopened negative control plate for each sampling day. 13 INCUBATION OF PLATES 13.1 Incubate inverted TSA and SDA Rodac plates for 5-7 days at 20-25Â°C. 13.2 After the incubation period above, move the TSA Rodac plates for incubation for at least 2-3 days at 30-35Â°C.3 INCUBATION OF PLATES 13.1 Incubate inverted TSA and SDA Rodac plates for 5-7 days at 20-25Â°C. 13.2 After the incubation period above, move the TSA Rodac plates for incubation for at least 2-3 days at 30-35Â°C.