Well both filters are established including the penguin. The penguin 200 is rated for 30-50 gal at 200 GPH.
Stock contains 2 mollies, 2 guppies, 4 corys, 2 dwarf gouramis, 4 white cloud, 7 neons, 5 tetra, 4 kuhli loaches.
The tetra filter media could be stuffed into the penguin but I want to...