Amphipod  Copepod Breeder
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Amphipod / Copepod Breeder

Just a basic POD breeding container Newer File is a larger pod breeder and has feet to allow detritus to flow under it ...

similar models —

Amphipod / Copepod Breeder alternatives
Nathans Shrimp Breeder
Another Big Kid Production
Brine Shrimp Hatchery
Shane Graber