Generally speaking, small aquariums range in capacity from 2.5 gallons to about 15 gallons. These tanks can come in many shapes and dimensions. A 2.5-gallon tank may be perfect as a betta tank, or for housing a hermit crab. The Coralife Biocube 32 reef tank is an excellent choice for individuals who are new to saltwater aquariums. It’s designed so that everyone has enough space to work with, but not so much that it becomes overwhelming. In all honesty, this modern, round-edged design, all-inclusive, and imaginative makes this aquarium sleek and fit for all of your expectations.

No, freshwater fish and saltwater fish have very different needs related to the type of water where they can live. Freshwater fish require fresh water. This type of fish usually includes several tropical fish varieties. On the other hand, saltwater, or marine, fish require water that is mixed with ocean salt. What fish can go in a five-gallon tank? While the fish and other inhabitants of an aquarium would undoubtedly appreciate more room to swim or roam, they most certainly will not appreciate dirty water constantly. Do you have too many fish in your tank? When it’s time to get the all important accessories for your fish tank, from internal filters to cleaning equipment and even decorative sand and gravel , Finest Filters has a huge range suitable for every type of fish tank.Multiply the gallon capacity of your tank, which we found in step 3 by how much water weighs per pound.

For Oscar or Cichlid fish tanks getting an external canister filter makes perfect sense as these units produce more flow and have enormous space for media, which in turn keeps the aquarium clean and safe. Taking this into account you can use the following formula to calculate the gallon capacity of your tank:And finally, here are the dimensions of large branded tanks that have irregular shapes. Aquarium Kit conversion form can help you to determine appropriate tank population, and whether you have enough space for the fish you are planning on The cube-shaped aquarium has the easiest volume equation – simply raise the edge length to the third power: So if your tank can hold 20 gallons and you want to fill it with freshwater then multiply 20 × 8.345 = 166.9 pounds.