A User-Friendly, Low-Cost Turbidostat

For various experimental applications, microbial cultures at defined, constant densities are highly advantageous over simple batch cultures. That’s where a turbidostat comes in, which keeps a culture at a constant turbidity.

Here’s a paper by Stefan Hoffmann, Christian Wohltat, Kristian Müller and Katja Arndt where they present a 3D printed small-scale turbidostat for under half a grand.