3 gallons per inch for fish over 3 inches.
Make your own fish tank.
Building your own fish tank is not only very rewarding but can save you a pretty penny as well.
It disrupts the balance of the tank and is harmful to your fish.
I d recommend a 10 20 water change weekly depending on the size of the aquarium and if possible remove the decor and give it a quick wipe down.
Not only is it a gratifying experience but you can make a fish tank that is customized to fit a specific area.
Building a fresh or saltwater do it yourself diy aquarium can be fun as well as challenging.
We re going to assume we want to build a 120 gallon tank with dimensions of 48x24x24 in inches.
Use this materials list pre assembly instructions and complete step by step instructions to construct a 55 gallon glass aquarium with 1 4 inch glass.
As a general rule of thumb most people will say one gallon per inch of fish at minimum for fish under 3 inches.
While you can hypothetically build a fish tank of any shape these instructions are for a square or rectangular aquarium.
I never do anywhere close to a 100 water change.
It may seem very complicated but in reality if you are armed with patience and motivation there isn t an easier task.