Recently i have come across a thailand company which is growing spirulina on roof top in connected buckets.
the description is in the video https://www.youtube.com/watch?v=7jZbp3xzXNU
can any body please explain how just using one airblower they are able to transfer liquids continuosly from one bucket to other and how the plumbing of the buckets is done
image1.jpg (25 Kb, 1 downloads) closed loop buckets
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