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8 Steps to the Perfect Aquarium
Our free guide can help keep your tank clean and your fish healthy. Get it free when you sign up for the Spruce Pets!
Getting Started with Freshwater Fish
Find out how to start up a freshwater aquarium, including finding the right fish, selecting the right tank size and tank equipment and more.
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![Fishbowl and an aquarium on a sideboard]()
How to Determine the Sex of Your Fish -
![Guppies]()
Hard Water and Aquarium Fish -
![An aquarium lit dynamically by LED lights]()
Aquarium Lighting Basics: the Case for LED Fixtures -
![Orange fish swimming in glass fishbowl]()
How to Clean a Fishbowl -
![Lovely little girl admiring fish in aquarium]()
Buying an Aquarium for a Child or Teen -
![aquarium tank]()
How Size Affects Aquarium Weight -
![Goldfish Swimming In Aquarium]()
How to Seed a New Aquarium -
![Pool test kit]()
Difference Between Chlorine and Chloramine -
![mini aquatic plants landscape for sale]()
Lighting Requirements for Live Plants in Community Aquariums -
![Fishes eating in aquarium]()
Feeding Your Aquarium Fish -
![beautiful planted freshwater aquarium]()
Using Live Plants in Your Home Aquarium -
![A child looking at a fish tank]()
What to Know Before Buying an Aquarium -
![bubbles on top of fish tank]()
Bubbles on Aquarium Water: Causes and Cures -
![Pebbles on a river bed. Reflections and ripples on the surface.]()
Can I Use Outdoor Gravel or Rocks in an Aquarium? -
![Nutrafin Aquarium Water Test Kit]()
How to Test the Water in Your Fish Tank -
![Goldfish in an aquarium]()
Are Aquariums Safe?
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![Feeding goldfish in the aquarium at home. Fish rock and plants in the background]()
Fish Food Nutrition and Vitamins 101 -
![Killifish Fry]()
Culling Aquarium Fish -
![Little fish in fish tank or aquarium, gold fish, guppy and red fish, fancy carp with green plant, underwater life.]()
Swimming, Balance, Oxygen and Food Consumption in Fish -
![Live Planted Aquarium]()
Aquarium Plants - What Is Best: Real or Artificial? -
![Fish Swimming In Aquarium]()
How to Fix Bacterial Bloom in Your Aquarium -
![Single piranha in a fish tank]()
Is Your Fish Omnivore, Herbivore or Carnivore? -
![angelfish in an aquarium]()
Acriflavine for Aquarium Fish -
![fish swimming in aquarium]()
Find Your Missing Aquarium Fish -
![Girl holding goldfish in plastic bag]()
Adding New Fish to an Aquarium -
![Community Aquarium - 80 Gallon]()
Preferred Tank Levels for Community Fish Species -
![Cute Puffer Fish with Black and White Spots]()
Fish Mouth Types and Their Uses -
![Neon tetras in planted tank]()
Freshwater Aquarium Fish Compatibility -
![Close up of blue botia fish]()
Artificially Colored Aquarium Fish -
![Oil slick on water]()
How to Get Rid of Pesky Oil Slicks in Your Fish Tank -
![Aquarium with plants and clean water and fish swimming]()
How to Clean Algae From Aquarium Plants -
![Betta Bowl]()
Betta Condos and Tanks for Multiple Bettas
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![Live Food - Mosquito Larvae]()
Collecting Live Food For Aquarium Fish -
![Siamese Fighting fish swimming against a white background.]()
Commonly Asked Questions About Bettas -
![Convict Cichlid]()
Aggressive Aquarium Freshwater Fish -
![Betta Fish]()
The Best Environment for a Betta Fish -
![Bright blue and pink beta fish swimming in fresh-water tank closeup]()
Low-Maintenance Freshwater Fish for Beginners -
![Fish Swimming In Aquarium]()
How Much Aquarium Supplies Do I Need? -
![Rasbora Fish in an Aquarium]()
How to Upgrade an Aquarium: Moving Fish to a New Tank -
![Hiding_Spot_Eric_Savage.jpg]()
How to Coax Scared Fish to Come Out of Hiding -
![home aquarium in a modern home]()
Aquarium Heater Placement and Heat Distribution in a Home Aquarium -
![A healthy freshwater aquarium with a variety of fish and decor]()
Limestone Rocks in Aquariums and Water pH -
![New fish in a plastic bag of water]()
How to Acclimate New Aquarium Fish to Your Home Aquarium -
![Danio fish in aquarium.]()
Glow In The Dark Fish -
![Fish swimming in aquarium at home]()
Understanding Freshwater Aquarium Lighting -
![Java Moss - Taxiphyllum barbieri]()
Java Moss Aquarium Plant Profile -
![Freshwater aquarium]()
Common Mistakes When Starting a New Aquarium -
![Many Aquarium Fish Food Choices, How do you chose?]()
Determine the Best Fish Food for Tropical Fish
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![Aquarium with base in a living room]()
What Can I Use for an Aquarium Stand? -
![Discus fish, Symphysodon]()
Symphysodon Discus - Pompadour Fish -
![Illustration on how to clean an aquarium.]()
How to Clean a Dirty Fish Tank -
![Live-bearer Birth Process Captured in Action]()
Live-bearer Development Period Inside Female and as Fry -
![Nitrogen cycle in the aquarium]()
The Nitrogen Cycle in Aquariums -
![Paracheirodon axelrodi - Cardinal Tetra]()
Common and Scientific Aquarium Fish Names Beginning with C -
![Nitrogen Cycle]()
Aquarium Nitrogen Cycle -
![Zeolite - Hydor]()
When and How to Use Zeolite in Your Aquarium -
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Setting up a Tank for Breeding Egg Scatterers -
![Blind Cave Fish, a most unusual history]()
The Journey of the Blind Cave Fish -
![betta fish in bowl]()
How to Use a Heater in a Betta Fish Tank -
![Little fish in fish tank or aquarium, gold fish, guppy and red fish, fancy carp with green plant, underwater life.]()
The Pros and Cons of Mini Aquariums -
![Reef Tank Water Testing]()
How to Lower Phosphates in the Aquarium -
![Goldfish swimming in tank]()
Insufficient Oxygen in Aquarium Water -
![Close-Up Of Siamese Fighting Fish In Fishbowls Against White Background]()
Should I Keep My Betta in a Vase?
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