Taking a Closer Look at Oscars
One of the most popular aquarium fish species is the Oscar. Brilliantly colored and quite smart, there's a lot you didn't know about these tough fish.
Choosing the Right Substrate for Your Aquarium
Let's get to the bottom of aquarium substrate! Depending on what kind of tank you set up, you need to choose the right substrate for it.
Best Aquarium Hoods
Don't just think about the design of your tank - you also have to remember the practical elements. With that in mind, here are our picks for the best aquarium hoods.
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.
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.
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!
Top 5 Low Light Corals for a Beginner Reef Tank
You want to start a coral reef tank, but you're not sure where to start. Here are five types of coral that are great for beginners.
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.�
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.
Best Medications for Treating Aquarium Fish Diseases
Just like any pet, fish can get sick too. But how can you fight illness in your tank? Here's our list of the best medications for treating aquarium fish diseases.
What You Need to Know About C02 for Planted Tanks
Carbon Dioxide is an important element in your planted tank, and your plants need more than you think. Add extra C02 for a thriving 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.
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?
Our Guide to the Best Aquarium Sea Salt
Are you interested in setting up a salt water tank? Then you'll need our guide to the best aquarium sea salt.�
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.
Heating Things Up With Eheim Jager Heaters
Not too cold, not too hot... you want to keep the temperature just right. Buying the right heater sets the right climate for the health of your fish.
The Bobbit Worm: Your Saltwater Tank’s Loch Ness Monster
Just when you thought it was safe to go back into your tank, your saltwater fish start disappearing! A devious worm may be at the center of this mystery.
Hop to It: My Introduction to African Dwarf Frogs
When your child's school sends her home with a new amphibian friend, you've got to adapt your aquarium to suit the little jumper's needs - ASAP!
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 Reef Aquarium Supplements
There are unique challenges to keeping a reef aquarium. To properly maintain this type of tank, you need the right reef aquarium supplements.�
Can You Sustain a Planted Tank Without a Filter?
You don't have fish in your aquarium, just plants. That means you don't need a filter, right? Here's why you may want to add a filter to your planted tank.
Understanding the Basics of Freshwater Aquarium Lighting
The right lights make all the difference to your freshwater aquarium. Offering much more than just illumination, aquarium lighting helps feed your plants.
4 Most Common Mistakes New Aquarium Hobbyists Make
Hey, we all make mistakes. And when it comes to aquariums, there are a few common ones that new hobbyists are bound to make.
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.
What Causes PH Changes and How to Fix Them
What's the chemistry like between your aquarium fish and the water they swim in? Keeping the pH of your tank water is a vital element to healthy fish.
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.
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.
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 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 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.
Aquarium Biology 101: Anatomy of a Fish
We all know that a fish has gills and fins... but there's more to them than just a few basic parts. Get ready for our crash course in "Anatomy of a Fish."
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.
Risky Business: Four Types of Dangerous Aquarium Fish
Swimming in the shallow end isn't for everyone. Some people like their fish to have a bit of bite! Check out these four types of dangerous aquarium fish.
Best Products to Remove Aquarium Algae
It's completely natural, but it sure does make your tank look gross! Here are the best products to remove aquarium algae.
Aquarium Heating: Submersible Vs. Hang-on Heaters
Unless your aquarium only houses goldfish, you're going to need a tank heater. But should you go with a submersible or a hang-on heater?
Best 10 Gallon Fish Tanks
Getting a 10 gallon fish tank is an excellent starting point as it is not overwhelmingly big or too challenging. Take a look at he best 10 gallon aquariums!
Best Aquarium Heaters for Tropical Fish
Just because you don't live in the tropics, it doesn't mean you can't have a tropical tank. Here are our picks for the best aquarium heaters for tropical fish.
Conditioning Your Fish Tank With Seachem Prime
To remove chlorine from tap water so that it's safe for your aquarium, you'll need a prime water conditioner. And Seachem Prime is what the pros recommend.
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.
Betta Leaf Hammock is the Perfect Fit for Any Tank
Researchers suggest keeping bettas happy by housing them in large, landscaped tanks. This hammock is a great addition to any enclosure.
Top 5 LED Aquarium Lighting Systems
Light up your tank with LED lighting. But which system do you choose? Here are our top five picks for LED aquarium lighting systems.
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.
How to Handle Stress in Aquarium Fish
It may seem like they're care-free, but aquarium fish can suffer from stress. Here's what you need to look for and what to do if it happens to your fish.
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.
Coral Reef-Safe Fish Species for Saltwater Tanks
Pairing the right fish with the right coral makes for a vibrant and healthy aquarium. Here's what saltwater fish will enjoy your coral reef tank.
Watts Going On With Your Aquarium Lighting?
Aquarium lighting is more than just watts per gallon. When you're setting up lighting for your tank, be sure to keep these important factors in mind.
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.
Finding Dory: The True Tail Behind the Regal Tang Fish
Thanks to Hollywood, the new must-have fish to have is the Regal Tang. But this isn't a fish for the faint hearted - are you up to the challenge?
Get to Work on an Office Aquarium
Bring life into your office with a fish tank. A growing trend in the workplace, aquariums add color, energy, and stress release to a busy day.
Best Affordable Supplies for a 20-Gallon Tank
Thinking about getting a home aquarium? You need more than a tank! Here's our list of best affordable supplies for a 20-gallon tank.
Top 5 Freshwater Fish Species for Planted Tanks
Now that you've got your planted tank set up, it's time to stock it with fish. You can't go wrong with these five freshwater fish species.
7 Common Types of Algae Found in Freshwater Aquariums
It's not easy being green... or brown... or red. How many different types of freshwater algae are you familiar with and how to you control it?
Best Automatic Aquarium Feeders
We've put together some tips for choosing and using an automatic aquarium feeder and our top 10 picks for the best automatic aquarium feeders.
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.
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.
Take a Walk On the Wild Side of Bettas
Take a walk on the wild side! You know about bettas, but do you know about wild betta fish? Let's look at wild bettas that can be kept in an aquarium.
How To Speak Fish: More Than Just Blowing Bubbles
You may not hear it, but your fish have a way of talking to each other. Even though they don't make a sound, their actions speak louder than words!
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!
Best Accessories for a Whimsical Fish Tank
Turn your tank into a wonderful, whimsical fish fantasy land! Here are the best accessories you should use for a whimsical fish tank.
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.