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George5104
In the office, there is a jar with cichlids))) 120 liters... after having a marine tank at home, I got excited about setting up a fish aquarium in the office... I don't have the ability to drill holes and build a sump... hence the idea - to take a powerful external canister filter, fill it with ceramic media, charcoal, remove the sponges (or keep them?)... salt it... put a layer of aragonite sand in the aquarium and add a couple of kilograms of live rocks... and install a couple of circulation pumps... and when it matures, eventually introduce a couple of butterflies... questions: - does such a system have the right to exist? - is a protein skimmer needed?