I have a tetra filter rated for like 1-3 gallons that is basically the same principle as a sponge filter running off an air pump... The pump makes noise but just s slight hum and I have enough air line to put the pump in a place to make it less noisy.
__________________ 20 Gallon High Reef
2 orange skunk clowns, 1 yellow watchman goby, soft corals, zoas 46 Gallon Planted
6 tiger barbs, 2 yoyo loaches, 2 keyhole cichlids, 1 cherry barb, 1 blue gourami 29 Gallon Planted
11 harlequin rasboras, 3 cories, 1 betta |