Long planted 100 gallon aquarium with angelfish and a school of neon tetras on a wooden cabinet stand

100 Gallon Fish Tank: Dimensions, Weight, Cost and Stocking Ideas

Quick answer: A 100 gallon fish tank holds about 379 liters of water, and the most common size is 60 x 18 x 21 inches (152 x 46 x 53 cm), a 5 foot tank. Other popular versions measure 72 x 18 x 18 inches (6 feet long and low) or 48 x 24 x 20 inches (4 feet long and deep). Set up with water, substrate and decor, it weighs roughly 1,000 to 1,100 … Read more about 100 Gallon Fish Tank: Dimensions, Weight, Cost and Stocking Ideas

Group of six peppered cory catfish foraging on sand in a planted aquarium

Cory Catfish Care: Size, Lifespan, Tank Setup, Food and Tank Mates

Quick answer: Cory catfish (corydoras) are small, peaceful South American bottom dwellers that grow about 1 to 3 inches (2.5 to 7.5 cm) and often live 5 to 10 years. Keep them in a group of at least 6 of the same species, in a cycled tank of 20 gallons or more for most types (10 gallons works for pygmy and other dwarf corys), at 72 to 78 F (22 to 26 C) and a … Read more about Cory Catfish Care: Size, Lifespan, Tank Setup, Food and Tank Mates

Red halfmoon betta fish in a planted aquarium with floating plants, sponge filter and heater

Betta Fish Tank: Size, Setup, Heater, Filter and Tank Mates

Quick answer: A betta fish tank should hold at least 5 gallons (19 liters), with a heater set to 78 to 80 F (25.5 to 26.5 C), a gentle filter, a lid, and soft plants or silk decor. A 2.5 gallon tank can keep a betta alive, but the water gets dirty and cold so fast that you spend all your time fixing it. A 10 gallon gives you room for a few peaceful tank … Read more about Betta Fish Tank: Size, Setup, Heater, Filter and Tank Mates

Planted aquarium with a green carpet, red stem plants and driftwood under an LED light

How to Choose the Right Aquarium Light for a Planted Tank

This is a sponsored post written in collaboration with Seaoura. Choosing the right aquarium light is about more than making your tank look bright. Aquatic plants need suitable light to photosynthesize, grow new leaves, and maintain healthy growth. However, different plants have different lighting requirements, and the best setup also depends on tank depth, plant placement, CO₂ availability, and nutrient levels. A light that works well for a low-tech aquarium may not provide enough intensity … Read more about How to Choose the Right Aquarium Light for a Planted Tank

Transparent ghost shrimp with orange dots walking on moss-covered driftwood in a planted freshwater aquarium

Ghost Shrimp Care Guide: Size, Lifespan, Tank Mates and Breeding

Ghost shrimp are small, see-through freshwater shrimp from the southeastern United States. They grow to about 1 to 1.5 inches, live around a year, cost very little and spend their days picking leftovers, algae and biofilm off every surface in the tank. They’re one of the easiest invertebrates you can keep, with a tank of 5 gallons or more, water at 65 to 82 F and a pH around 7 to 8. The catch is … Read more about Ghost Shrimp Care Guide: Size, Lifespan, Tank Mates and Breeding

Three green marimo moss balls on white sand in a glass jar of water

Marimo Moss Ball Care: What It Is, Why It Floats and How to Keep It Green

Quick answer: A marimo moss ball is not a moss at all. It is a slow-growing green algae, Aegagropila linnaei, that rolls itself into a velvety ball on the floor of cold lakes in Japan, Iceland and Northern Europe. Marimo are one of the easiest living things you can keep. Give them cool water around 64 to 77°F (18 to 25°C), low to moderate light out of direct sun, a water change every one to … Read more about Marimo Moss Ball Care: What It Is, Why It Floats and How to Keep It Green

Fish tank sizes chart showing small to large planted freshwater aquariums side by side

Fish Tank Sizes Chart: Gallons, Dimensions and Weight for Every Aquarium

Quick answer: Standard glass fish tanks come in a fairly fixed set of sizes. The most common are the 10 gallon (20 x 10 x 12 inches), 20 gallon long (30 x 12 x 12), 20 gallon high (24 x 12 x 16), 29 gallon (30 x 12 x 18), 40 gallon breeder (36 x 18 x 16), 55 gallon (48 x 13 x 21) and 75 gallon (48 x 18 x 21). A filled … Read more about Fish Tank Sizes Chart: Gallons, Dimensions and Weight for Every Aquarium

Planted 29 gallon fish tank with neon tetras on a black aquarium stand

29 Gallon Fish Tank: Dimensions, Weight, Stand and Best Fish

Quick answer: A standard 29 gallon fish tank measures 30 x 12 x 18 inches (76 x 30 x 46 cm). It weighs about 40 to 45 pounds empty and roughly 300 to 330 pounds once it is filled with water, substrate and decor, so it needs a real aquarium stand, not a dresser or a bookshelf. It has the same footprint as a 20 gallon long, just 6 inches taller, which makes it one … Read more about 29 Gallon Fish Tank: Dimensions, Weight, Stand and Best Fish

School of neon tetras with glowing blue stripes swimming in a planted aquarium

Neon Tetra Care Guide: Tank Size, Tank Mates, Lifespan and Breeding

Quick answer: Neon tetras (Paracheirodon innesi) are tiny, peaceful schooling fish from the Amazon basin, famous for their glowing blue stripe and red tail. They grow to about 1.5 inches (4 cm), and with good care they can live 5 years or more, though many only reach 2 to 3 because of stress and poor water. Keep a group of at least 10 in a planted tank of 10 gallons or more, ideally 20, at … Read more about Neon Tetra Care Guide: Tank Size, Tank Mates, Lifespan and Breeding

Planted 55 gallon fish tank with tetras and angelfish on a black cabinet stand

55 Gallon Fish Tank: Dimensions, Weight, Stand and Best Fish

Quick answer: A standard 55 gallon fish tank measures 48 x 13 x 21 inches (122 x 33 x 53 cm), holds about 208 liters, and weighs around 75 to 80 pounds empty and roughly 600 to 650 pounds once it’s filled with water, substrate and decor. That weight means it needs a proper aquarium stand on a level, solid floor. It’s a great size for a big community tank, a group of angelfish, schooling … Read more about 55 Gallon Fish Tank: Dimensions, Weight, Stand and Best Fish