Beginner Advice

Betta fish, fancy goldfish, and other slower-swimming animals can’t handle powerful filters or fast currents, so learn about our favorite techniques for reducing the water flow to a more manageable level.

One of the easiest ways to stop your fish from getting sick is to set up a quarantine tank to temporarily isolate newly purchased or ailing fish. A separate aquarium allows you to observe their health, administer treatment, and prevent diseases from spreading.

One of the most common but hardest questions we get is “How many fish can I put in my aquarium?” because there is an infinite number of fish combinations we could recommend. To simplify things, let’s talk about the three factors that most impact your fish stocking levels and our general guidelines for introducing the right number of fish to your aquarium.

Air pumps are commonly used with aquarium filters, decorations, and many other air-driven devices, but what exactly do they do and how do you know if your fish tank needs one? In this article, we explain when to use an air pump, how to pick the right one, and how to install it in your aquarium.

Fish keeping can be an expensive hobby, so is it possible to breed aquarium fish at home and sell them for a profit? Learn about the best fish to breed, what supplies to buy, and how to sell them.

Keep reading to learn all about how much and how often to feed fish, what to give them, and how long they can go without food if you’re on vacation.

If you’re starting a new aquarium, wouldn’t it be nice if an experienced aquarist could lead you step-by-step through the entire process? Follow along as we share our best practices and pitfalls to avoid while setting up the perfect home for your new pet fish.

Have you ever thought of setting up a mini pond for aquarium fish during the summer season? It’s the perfect way to enjoy nature, breed fish and grow plants for profit, and get the whole family involved in your favorite hobby.

Congrats on buying your new aquarium plant! This quick guide leads you step-by-step through the recommend ways for adding different types of live plants to your aquarium.

When people find out you keep fish, they probably imagine a crusty, algae-coated tank where you can barely see anything swimming inside. But with just a few easy steps, you can keep your aquarium looking like a beautiful work of art. Follow along as we share our top tips for cleaning your fish tank like a pro.