On Nauvis, this block exports ~85% fresh biter eggs to my promethium ship, feeds Gleba with fish, while also absorbing pollution:

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
On Gleba, (many copies of) this block consumes half a belt of fish with one belt of bioflux, and exports agricultural science on demand (when there is orbit request). When there is no request, it cycles eggs slowly to keep them from hatching.

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