6 Popular Aquarium Fish You Need To Avoid

Just because a fish is readily available, it doesn't mean you should keep it in your own aquarium. Here are six fish that shouldn't be in your tank.

The Best Aquarium Gravel Cleaners

You may not think much about it, but the gravel at the bottom of your tank needs certain care. Here are our picks for the best aquarium gravel cleaners.

Best Aquarium Filters

Go with the flow and keep your tank sparkling clean. Choose from our list of the best aquarium filters to ensure your tank is properly maintained.

Aquarium Spotlight: PPG Aquarium in Pittsburgh, PA

Education can be lots of fun - just don't tell the kids that! If you're looking for a family outing in Pittsburgh, PA, drop by the PPG Aquarium.

The Lowdown on Fish Laws

Are you guilty of breaking a fish law? Perhaps you don't even realize that what you've done is illegal. What you don't know may land you in hot water.

Cute But Deadly: The Truth About Fish Bowls

They may be compact and stylish, but there's nothing cute about fish bowls. Small space and toxic water conditions are just a few of things wrong with them.

Aquarium Basics: Let’s Talk About Amazon Sword Plants

When it comes to freshwater tanks, the Amazon Sword Plant is a fan favorite - for many reasons. Here are the basics you need to know about this tank staple.

Paludariums Have Room For More Than Just Fish

Who says an aquarium is just for fish? A paludarium can house a host of animals and plants that takes on the feel of your very own exotic wetland!

How to Properly Acclimate New Fish in the Aquarium

When it comes to aquariums, how you add new fish to your tank is important to their safety and well being. Tips for acclimatizing fish to your aquarium.

Don’t Clam Up: Open Your Tank to Clams

Clams could truly be the treasures of your saltwater aquarium. Available in a wide array of colors and sizes, clams can be the centerpiece of your tank.

Top 3 Substrates to Use in Planted Aquariums

The key to the perfect planted tank is to get the balance between fish and plant needs just right. The solution is finding the ideal type of substrate.

Go Green With the Emerald Crab

Crabs are a cool addition to an aquarium. And the Emerald Crab does more than add color - these invertebrates clean up after themselves.

Feeding Techniques for Your Coral Reef Tank

With a coral reef tank, you need to think about the eating habits of all the inhabitants. Here are some tips to ensure they all get their fair share.

How to Tell If Aquarium Hobby Right for You

Keeping an aquarium is fun and rewarding - it also takes work. Do you have what it takes to dive into the aquarium hobby?

Best Aquarium Protein Skimmers

Keeping your aquarium water clean and clear is essential for the health and wellness of your tank inhabitants.Here are our top picks for the best aquarium protein skimmers.

5 Plants Picks for Your Brackish Aquarium

It's not saltwater, it's not freshwater - brackish aquariums offer a bit of both! But finding the right plants for this type of tank can prove to be tricky.

Why I Think Aquarium Rock Collecting Rocks!

Are you into hard rock? Not the music... the kind you put in your aquarium! Here's what you need to know before adding rocks to your tank.

Best Aquarium Kits for Beginners

You want to get an aquarium, but you don't know where to start. Not to worry - we've compiled a list of the best aquarium kits for beginners.

Setting a Schedule for Routine Tank Maintenance

Aquariums need to be maintained regularly - it's essential to keeping your fish healthy and your tank looking its best.

Product Review: Hydor Professional External Canister Filter

Essential for a healthy aquarium, the right filter keeps water quality in your tank high. Is the Hydor Professional External Canister Filter up for the job?

Putting Your Best Fin Forward at Aquarium Fish Shows

Have you ever been to a fish show? All aquarium hobbyists will want to attend one of these events to see the brightest and best fish strut their stuff!

Best Aquarium Pumps

Pump it up! To improve the lives of your fish, you need to invest in the right equipment. Here are our top picks for the best aquarium pumps.

Fish RX: Hikari PraziPro Fights Parasite Infestations

What do you do when your fish get sick? Before or after parasites invade your aquarium, medicate your fish with Hikari PraziPro.

Top 5 Fast-Growing Aquarium Plants for Planted Tanks

If you're impatient for growth, you'll want aquarium plants that shoot up quickly. Take a look at these fast-growing aquarium plants for your planted tank.

4 Annoying Pests Found in Your Freshwater Aquarium

Even the smallest pests can mess up the most pristine aquarium. Here are four common (and annoying) pests that could cause problems in your freshwater tank.

Colorful Tips for Starting a Nano Reef Tank

Amazing things come in smaller packages. If you live in a smaller space and you're a coral enthusiast, set up a nano reef tank.

Best Aquarium Testing Supplies

Depending on what kind of fish you're stocking your tank with, you're going to need to test the water to make sure it's just right. Here are the best aquarium testing supplies to help you out.

Tips and Tricks for Stocking a Community Tank

You've decided to stock your own community tank. But what fish will get along together in your Zen aquarium? Here's what you need to know.

What’s Wrong With My Aquarium Plants?

Your aquarium plants aren't thriving; in fact, it looks like they're going to go belly up! Here are some common problems you'll see with aquarium plants.

Best Aquarium Filter Media

There are parts of your aquarium that work behind the scenes to ensure that it works properly. Here's how to choose the best aquarium filter media for your tank.

The Benefits of Hermit Crabs in Your Aquarium

The hermit crab isn't just a pretty shell - this invertebrate likes to clean up after itself. Here's why you should let a hermit crab move into your tank.

Readers’ Picks: Top Seachem Products for Aquariums

Seachem is the most trusted name in the aquarium hobby game, according to PetGuide readers. Here we take a look at the top Seachem products on Amazon.

The Pros and Cons of CO2 in an Aquarium

CO2 in your aquarium can take your plants from average to extraordinary. But before adding extra to your tank, make sure you know its pros and cons.

Why You’ll Want to Add Mystery Snails to Your Aquarium

Mystery snails are a welcome addition to an aquarium. Colorful and community oriented, these crustaceans will clean up after themselves and tank mates.

Best Fish Food for Aquarium Fish

What do you plan to feed your fish? If you're just starting out with a tank, you'll want to choose the best fish food for aquarium fish.

Cost-Cutting Tips and Tricks for Aquarium Enthusiasts

We all love tips and tricks that'll save us money. That's why we put together a few tricks for spending less cash when it comes to your fish aquarium.

Best Aquarium Power Filters

When you're stocking your aquarium, don't forget about the right filtration for your tank. Here are our picks for the best aquarium power filters.

The 5 Stimulating Spawning Methods of Fish

The spawning habits of aquarium fish are fascinating. When it comes to reproducing, fish fall into one of these five spawning types.

Top 3 Marine Invertebrates for Beginners

You're getting creative with your tank, and you're thinking about adding invertebrates to the mix. If you're a beginner, start with these marine inverts.

Best Natural-Looking Aquarium Decorations

When decorating your aquarium, you may want to create a look inspired by nature. We've picked out some of the best natural-looking aquarium decorations.

Go Green With EcoQube Air, the World’s First Desktop Greenhouse For

Kickstarter has the coolest products - look at the EcoQube Air. Grow a garden on your desktop and use your smartphone to control the greenhouse's settings!

Are You Feelin’ Crabby?

Are you a tank owner who's always wanted to bring home a crab? If you're ready to jump into the world of crabs, take a pinch of our tested advice.

Get to Know the Bristlenose Pleco

A lesser known variety of the species, the Bristlenose Pleco has a lot going for it. Easy to care for, this fish makes a great addition to home aquariums.

6 Most Common Freshwater Fish Diseases

Just like any other pet, fish are susceptible to illness. If you have a tank, be on the lookout for these six common freshwater diseases.

Best Artificial Aquarium Plants

Keeping a tank with live plants can be quite a challenge. If you want the look of a planted tank without the hassle, think about adding artificial aquarium plants.

Growing and Propagating Your Own Coral

Feel like fragging? If you want to propagate your own coral, you sure do! This cost-effective practice lets you grow your own coral.

Best Supplies for a Betta Fish Tank

Known for their bright colors and long, flowing tails, betta fish are a great option if you're looking for a way to break into the aquarium hobby.

Aquascaping: A Tank of Beauty

A tank can be a place to flex your artistic muscle. If you'd like to set up a stunning aquascape, you'll want to follow these tips to do it right.

Tank Stocking: The Truth About The 1 Inch Per Gallon Rule

You've heard about the "one inch of fish per gallon" rule, but there are other factors to keep in mind when you're first stocking your aquarium.

Best Saltwater Aquarium Kit

A saltwater aquarium kit lets you create a gorgeous tank without much hassle - they contain everything you need to get started.

Planted Tank Basics: What Aquarium Plants Need to Thrive

Just like the ones growing in earth, there are certain basics aquarium plants need to survive and thrive. Let's go over the basics of planted tank care.

Coral Reefing: Choosing Soft or Hard Coral

When it comes to making a choice between soft or hard, it's not just a question for tacos. For coal reefing, are you going to go with soft or hard coral?

Radiant Reef: A Rainbow of Hard Coral

An underwater, eye-dazzling view! Available in all the colors of the rainbow, hard corals can turn your tank into a brilliant spectrum of wonder.