cross-posted from: https://lemmy.ml/post/61845
These are actually quite cool and can serve other purposes. For example they are quite common in aquaculture and are also used in some biological waste water treatment processes.
Commercially available units tent to be quite expensive (>1000€ for a small 5l/min unit).
All about open source! Feel free to ask questions, and share news, and interesting stuff!
Community icon from opensource.org, but we are not affiliated with them.
first
Dont