A Complete Guide to Freshwater Fish Tanks: Selection, Setup, and Maintenance

How to Maintain a Freshwater Aquarium

Nitrate is the end of your nitrogen cycle and is toxic to fish when it builds up. Individual species will have different tolerances to nitrate levels, so know in advance what levels your fish can handle. Testing your aquarium water is essential for maintaining a healthy environment for your fish. A reliable aquarium test kit will allow you to monitor key water parameters and ensure they are within the optimal range for your fish.

Common Goldfish

The substrate or gravel will be a big factor in which types of decorations work in your tank. When you choose which fish you want, this can depend on which gravel you chose. A sandy bottom will give your tank more of a saltwater look, but it is more difficult to work with. Glass stones are pretty but don’t offer much for healthy bacteria to grow on. Once you decide on all the different parts it is time to move on to cycling your tank to get it ready for your fish. Say goodbye to the complexities of water parameters and say hello to a tailored aquatic experience with fish that thrive in a wide range of conditions.

Best Freshwater Aquarium Fish for Beginners (Easy Fish to Keep Alive) With Images

• Different types of tanks require specific amounts of salt for optimal conditions.
• They are also frequently sold in bright, interesting colors under the “Glofish” branding, and Zebra Danios also come in a long-finned variety.
• Whether you’re a beginner aquarist or a seasoned fishkeeper looking for some tips, read on to find out how to maintain a healthy and vibrant underwater world.
• Turn to Splashy Fish for all your aquatic needs, from fish and plants to food and essential supplies.

While they prefer to be kept with six to eight of their own kind, they don't need to be housed in a species-specific tank thanks to their gentle nature. A hardy species of fish native to China, the white cloud mountain minnow is a graceful and peaceful community fish that likes to be paired with at least five others of its species. Measuring 1.5 inches in length and living for around three to five years, they're a good fish for beginners and are easy to breed. White cloud mountain minnows do not like heat and need to be kept in water with a temperature below 72°F.

This can be a fun way to make new friends and learn tips from others who enjoy fishkeeping. A specialty substrate that mimics riverbeds can help your plants grow and keep your fish happy. Creating a natural habitat means making your tank as close as possible to the natural environment of your fish.

These shoaling fish are easy to care for and can thrive in cooler water temperatures, which makes a heater not always necessary for their care. Betta fish are one of the most popular freshwater fish due to their low-maintenance nature and flowing, colorful fins. They have a labyrinth organ, which allows them to breathe surface air in low-oxygen environments. They have simple feeding requirements and will be happy in a tank with plants, a heater, and plenty of space to swim.

How Frequently Do You Need to Maintain a Fish Tank?

Their peaceful nature and striking appearance make them a perennial favorite among beginner aquarists looking to create a vibrant underwater landscape. Don’t feed carnivores like Chinese Softshell Turtles plant-based food or overload omnivores like False Map Turtles with protein-rich food only. All 14 turtle species in this overview have unique care needs, but there are some general turtle tank maintenance rules that will help all of them.