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Fish & Aquariums
Freshwater Fish & Aquariums

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.

Stocking Your Aquarium Evenly With the Correct Number of Fish
Blood Parrot Cichlid Fish Species
How to Determine the Sex of Your Fish

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!

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Hard Water and Aquarium Fish
How Size Affects Aquarium Weight
Feeding Your Aquarium Fish
Can I Use Outdoor Gravel or Rocks in an Aquarium?
Aquarium Lighting Basics: the Case for LED Fixtures
How to Seed a New Aquarium
Using Live Plants in Your Home Aquarium
How to Test the Water in Your Fish Tank
How to Clean a Fishbowl
Difference Between Chlorine and Chloramine
What to Know Before Buying an Aquarium
Are Aquariums Safe?
Buying an Aquarium for a Child or Teen
Lighting Requirements for Live Plants in Community Aquariums
Bubbles on Aquarium Water: Causes and Cures
Fish Food Nutrition and Vitamins 101

Culling Aquarium Fish
Is Your Fish Omnivore, Herbivore or Carnivore?
Preferred Tank Levels for Community Fish Species
How to Get Rid of Pesky Oil Slicks in Your Fish Tank
Swimming, Balance, Oxygen and Food Consumption in Fish
Acriflavine for Aquarium Fish
Fish Mouth Types and Their Uses
How to Clean Algae From Aquarium Plants
Aquarium Plants - What Is Best: Real or Artificial?
Find Your Missing Aquarium Fish
Freshwater Aquarium Fish Compatibility
Betta Condos and Tanks for Multiple Bettas
How to Fix Bacterial Bloom in Your Aquarium
Adding New Fish to an Aquarium
Artificially Colored Aquarium Fish
Collecting Live Food For Aquarium Fish

Commonly Asked Questions About Bettas
Aquarium Substrate Heating
Aquarium Heater Placement and Heat Distribution in a Home Aquarium
Understanding Freshwater Aquarium Lighting
Aggressive Aquarium Freshwater Fish
How Much Aquarium Supplies Do I Need?
Limestone Rocks in Aquariums and Water pH
Java Moss Aquarium Plant Profile
The Best Environment for a Betta Fish
How to Upgrade an Aquarium: Moving Fish to a New Tank
How to Acclimate New Aquarium Fish to Your Home Aquarium
Common Mistakes When Starting a New Aquarium
Low-Maintenance Freshwater Fish for Beginners
How to Coax Scared Fish to Come Out of Hiding
Glow In The Dark Fish
Determine the Best Fish Food for Tropical Fish

What Can I Use for an Aquarium Stand?
The Nitrogen Cycle in Aquariums
Setting up a Tank for Breeding Egg Scatterers
How to Lower Phosphates in the Aquarium
Symphysodon Discus - Pompadour Fish
Common and Scientific Aquarium Fish Names Beginning with C
The Journey of the Blind Cave Fish
Insufficient Oxygen in Aquarium Water
How to Clean a Dirty Fish Tank
Aquarium Nitrogen Cycle
How to Use a Heater in a Betta Fish Tank
Should I Keep My Betta in a Vase?
Live-bearer Development Period Inside Female and as Fry
When and How to Use Zeolite in Your Aquarium
The Pros and Cons of Mini Aquariums
How to Match pH of Aquarium Water

The Spruce Pets

Our free guide can help keep your tank clean and your fish healthy. Get it free when you sign up for the Spruce Pets!

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