How Much Gravel For A 5 Gal Fish Tank in the USA
Generally speaking, you should add about 1 pound of substrate per gallon of water. This means that for a 5-gallon fish tank, a safe bet would be 5 pounds of gravel. Similarly, for a 20-gallon fish tank, roughly 20 pounds of gravel would suffice. How many inches of gravel should be in a fish tank?…