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Danielle9144
I want a 50L sea aquarium. I glued the aquarium and then realized that I need a sump, but there is no space for a separate sump. I'm considering a side sump option. The size of the aquarium is 600x250x350 (h). As I understand, a sump needs 3 compartments: 1 mechanical filter, 2 biological filter, 3 pump. GUIDE ME ON THE TRUE PATH.....