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What is Old Tank Syndrome?

What is old tank syndrome? Is it when the tank wears out, or equipment becomes out of date? Old tank syndrome refers to more than just the age of the tank, as this article will explain.

What is the Difference Between Chlorine and Chloramine?

Chlorine or Chloramine? What's the difference, and how does it affect your aquarium? Should you be concerned about Chloramine? Here's the answer.

How Do I Clean a Dirty Fish Tank?

Cleaning even a very dirty aquarium isn't all that hard when you know what to do. Here are the tools you'll need, and instructions for making your tank look beautiful again.

Are Gel Feeders Safe?

Block fish feeders for use on vacation have long been panned for their negative effect on the water chemistry. What about the new gel feeders -- are they safe?

What is a Labyrinth Fish?

Fish are amazing creatures. Some can fly, others can climb trees, and some, such as the labyrinth fish, can breathe out of water. How do they breathe air without lungs? Read on to find out.

What is a Drip Loop?

Maybe you've been told to have a drip loop when you set up your aquarium. Do you really need one, and what is it anyway?

Where Can I Buy Live Worms?

Extolling the virtues of live foods is great, but where does a fish owner get live worm cultures? Here are some resources to help you find worms and other live food cultures.

Can I use a Biowheel in a Planted Tank?

Do biowheels produce too much water movement for planted tanks? Plant expert Don Matakis shares his expertise and offers his thoughts about using biowheels.

How Do I Lower High Water Temps?

Elevated water temperatures can be dangerous or even lethal to fish if they remain high for a period of time. Here are the steps to take if you have a heat problem.

Do I Need a Heater Guard?

Do you need an aquarium heater guard? Here's what you should know about heater guards, and tips for when you need to have one.

How Do I Heat a Betta Tank?

How Do I Heat a Betta Tank?

How Long Do Bettas Live?

Bettas are so beautiful, but sadly they don't seem to live very long. Is it because of those little jars they are kept in? Just how long is a Betta supposed to live?

What Is The Most Popular Aquarium Fish?

What do you think is the most popular aquarium fish?

Need help hatching Killies

A Q & A about successfully hatching Killifish/Aphyosemion striatum eggs

Can I Replace Aquarium Gravel?

A Q & A about replacing aquarium gravel: aquarium gravel gravel bed gallon aquarium bacterial colonies beneficial bacteri

Is Gravel Necessary?

Is having gravel, or any other kind of substrate, necessary in an aquarium? Generally the answer is yes, but there are occasions when no substrate at all is best. This FAQ explains why you need, or don't need, substrate.

What is Seeding a New Aquarium?

Seeding an aquarium is actually nothing new. It's an old trick that has acquired new popularity. Learn how to seed your new aquarium and why you should try it.

How to Tell Neon and Cardinal Tetras Apart

Neon Tetra and Cardinal Tetras look similar, but they aren't the same species. In fact, they have some distinctly different needs that owners should be aware of. Learn how to tell the difference between a Neon and Cardinal Tetra, and some important facts about each species.

How do I Tell the Sex of My Fish?

When trying to breed fish, obtaining a pair is critical. Unfortunately, determining the sex of fish isn't always an easy task. Here are some tips for sexing various species of fish.

How Long Should Aquarium Lights be Left On?

Aquarium lights usually don't come with a tag saying when to turn them on and off. So, how long should aquarium lights be left on?

Can I Purchase Live Aquarium Fish on the Internet?

Many companies specialize in Internet sales and shipping of live aquarium fish. As a result, online ordering of live fish has become fairly common. There are risks when purchasing online. Here's what you should consider before mail ordering live fish.

White Residue on Aquarium Glass

White residue on aquarium glass and equipment is an annoying fact of life. Here's an inexpensive and simple way to remove it.

Are Piranhas Dangerous?

Tales of piranhas devouring hapless humans have circulated for many years. Are they a serious threat to people, or is it an urban legend?

Can I Use Outdoor Gravel in My Aquarium?

The question is an old one, and is still debated. Can outdoor rocks gravel, or sand be used in an aquarium? Here's my take on the question.

Do rocks affect the water pH?

Rocks and other items used to decorate your aquarium can and will affect the water chemistry. Here is what to look for when considering rocks for your aquarium.

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