In the field of research and development into the production of bioactive compounds, there is incredible demand for small-scale cultivation systems that operate in the liter range (1, 2). Single-use bag bioreactors can close the gap between cell and media screening devices (at scales of up to several hundreds of milliliters) and pilot bioreactor systems at scales larger than several hundreds of liters (3). The incubator shaker Multitron Cell with ShakerBag Option, in particular, represents an easy and economical solution…