Can I open and partially use an MBR culture and reuse the balance at a later date?
A bacteria culture will retain some of its viability even after being opened. Once opened, however, the bacteria media will become susceptible to contamination. Exposure to moisture in the air can encourage the bacteria to start growing in the package, thus reducing viability significantly. If you do decide to save your leftover bacteria, store in a dry, sealed container below 0°C and used within a short period of time (1-2 weeks).
