The 20-gallon Aqueon Aquarium Starter Kit ($122, originally $147) is one of the best options for new fish owners, especially because it includes a filter, water thermometer, and fish food sample ...

A full 20-gallon tank will weigh about 225 pounds (or 102 kg). Most 20-gallon tanks have dimensions of either 24” x 12” x 16” or 30” x 12” x 12”.

If you’re curious about keeping fish and considering buying a 20-gallon aquarium, you’ve come to the right place. It’s hard to know where to start when choosing fish, and tank size is just ...

The AquaSprouts system was first developed by Jack Ikard in high school after coming across an old 10-gallon fish tank in his back shed. Ikard, 20, is now a sophomore at St. Edwards University in ...