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  • Getting Started & How-Tos
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    • Setup Overviews
    • Water Care
      • Water Quality Guides
      • Aquarium Bacteria Starter
      • Nitrate in Freshwater Aquarium
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      • Cloudy Water
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      • Aquarium Tanks
      • LED Aquarium Lighting
        • For Coral Growth
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        • For a Refugium
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        • For Turtle Tank
        • The Quietest
        • Floss
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      • Aquarium Plant Fertilizer
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      • Aquarium CO2 Regulator
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  • Freshwater Aquarium
    • Freshwater Care Overviews
    • Freshwater Fish Ideas
      • Freshwater Fish Guides
      • Best for Beginners
      • Most Colorful Species
      • Species For a Small 5-Gallon Tank
      • Betta Fish
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      • Angel Fish
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      • Cory Catfish
      • Cichlids
      • Rainbowfish
      • Freshwater Snails
      • Freshwater Turtles
      • Plecos
      • Pet Eels
      • Pet Sharks
      • Smallest Species
      • Easiest Species To Take Care of
      • Community Species
      • Cold Water Species
      • Species That Eat Snails
      • Hair Algae Eaters
      • Coolest Species
  • Saltwater Aquarium
    • Saltwater Care Overviews
    • Saltwater Fish Ideas
      • Saltwater Fish Guides
      • Reef Safe Species
      • Algae Eaters
      • Small & Nano Species
  • Fish Health
    • Fish Diseases
    • White Spots
    • Treating Freshwater Ich
    • Treating Saltwater Ich
    • Nitrate Poisoning
    • Swimming Upside-Down
  • Aquatic Profiles
    • Angel Fish
    • Betta Fish
    • Cichlids
    • Cory Catfish
    • Discus Fish
    • Freshwater Shrimp
    • Freshwater Snails
    • Freshwater Turtles
    • Goldfish
    • Guppies
    • Oscar Fish
    • Plecos
    • Rainbowfish
  • All Posts
  • Getting Started & How-Tos
    • A-Z Overviews
    • Fish Keeping Guides
    • Aquascaping
    • Aquarium Dimensions
  • Gear & Tank Setups
    • Setup Overviews
    • Water Care
      • Water Quality Guides
      • Aquarium Bacteria Starter
      • Nitrate in Freshwater Aquarium
      • Nitrate in Saltwater Aquarium
      • Cloudy Water
      • Green Water
    • Gear Help
      • Gear Overviews
      • Aquarium Tanks
      • LED Aquarium Lighting
        • For Coral Growth
        • For Plant Growth
        • For a Refugium
      • Aquarium Filter
        • Canister
        • For Turtle Tank
        • The Quietest
        • Floss
      • Aquarium Heater
      • Substrate for Planted Tanks
      • Aquarium Plant Fertilizer
      • Aquarium Powerhead
      • Aquarium CO2 Regulator
      • Aquarium UV Sterilizer
      • Aquarium RO DI System
  • Freshwater Aquarium
    • Freshwater Care Overviews
    • Freshwater Fish Ideas
      • Freshwater Fish Guides
      • Best for Beginners
      • Most Colorful Species
      • Species For a Small 5-Gallon Tank
      • Betta Fish
      • Goldfish
      • Freshwater Shrimp
      • Angel Fish
      • Discus Fish
      • Oscar Fish
      • Cory Catfish
      • Cichlids
      • Rainbowfish
      • Freshwater Snails
      • Freshwater Turtles
      • Plecos
      • Pet Eels
      • Pet Sharks
      • Smallest Species
      • Easiest Species To Take Care of
      • Community Species
      • Cold Water Species
      • Species That Eat Snails
      • Hair Algae Eaters
      • Coolest Species
  • Saltwater Aquarium
    • Saltwater Care Overviews
    • Saltwater Fish Ideas
      • Saltwater Fish Guides
      • Reef Safe Species
      • Algae Eaters
      • Small & Nano Species
  • Fish Health
    • Fish Diseases
    • White Spots
    • Treating Freshwater Ich
    • Treating Saltwater Ich
    • Nitrate Poisoning
    • Swimming Upside-Down
  • Aquatic Profiles
    • Angel Fish
    • Betta Fish
    • Cichlids
    • Cory Catfish
    • Discus Fish
    • Freshwater Shrimp
    • Freshwater Snails
    • Freshwater Turtles
    • Goldfish
    • Guppies
    • Oscar Fish
    • Plecos
    • Rainbowfish
  • All Posts

Freshwater Aquarium

Here you’ll discover a collection of detailed articles about topics concerning freshwater aquariums in general.

Some hot sub-categories that you might want to check out are my fish setup ideas and Betta fish guides.

Browsing through this section is recommended for both beginner and advanced aquarists.

You can also take a look at the general fish keeping guides.

So let me show you how to set up or improve your freshwater tank at home!

How to Lower Nitrite Levels in a Freshwater & Saltwater Aquarium on Time?


Nitrite can cause significant damage to aquatic inhabitants or even kill them.

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Cause (+ Cures) for a Fish That’s Floating Upside-Down But is Still Alive?

Witnessing your beloved pet fish swimming upside down can be perplexing, sparking a flurry of questions about its health and well-being. If your aquatic companion exhibits this unusual swimming pattern, it clearly indicates underlying issues. Understanding the root causes behind this condition and implementing timely treatment measures are crucial for restoring your fish’s vitality.

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Why Use Aquarium Filter Floss and Where to Get it Dirt Cheap?

Your fish tank’s water looks somewhat cloudy and at this point, mechanical filtration seems like a good idea.

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The Honest Truth About Black Diamond Blasting Sand Safety in Aquarium

That black sandblasting sand will look amazing under your aquatic plants, right? But is Black Diamond blasting sand planted tank-safe? What about your fish? The media’s used for polishing, after all, wouldn’t it be too sharp? Can it hurt your bottom-dwellers?

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13 Freshwater Aquarium Eels That Can be Kept as Pets

Spiny Eel.


Keeping eels at home is not for everyone, but I think we can all agree that it can be spectacular to own one.

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Tips for Buying the Best 125-Gallon Aquarium Light

Having a 125-gallon fish tank is presumably the next level of fishkeeping, and, boy, can it be rewarding.

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How Long Does it Take for Free Chlorine to Evaporate From Tap Water Entirely?

Surely many aquarists have heard that chlorine will leave faucet water after some time. But exactly how long does it take for tap water with Chlorine to be safe for fish? Can the clearance be full without the use of chemicals? What about Chlorine’s cousin – Chloramine? These questions and more will be answered in this article!

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Where to Find Natural Driftwood for Your Aquarium?

Intricately designed driftwood in aquarium.

Driftwood can add some real character to a fish tank, making the aquascape look really professional. Do you often find yourself wondering where to find driftwood for aquariums in the wild and how safe would that be? Can you obtain it yourself, for free?

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What Are Some Aquarium Safe Yet Durable Paints?

Painted Aquarium.

Painting things that go into the aquarium with your fish can be as tempting as it is scary. Why so many people proclaim Krylon Fusion aquarium safe? Surely, there are plenty of other similar products, such as Rust-oleum, for example.

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Betta fish Laying at the Bottom of the Tank: 12 Reasons Why

Betta Laying on Ground.

Betta fish owners will witness all kinds of weird behavior.

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ABOUT AQUANSWERS & TEAM

Aquanswers is a blog about freshwater and saltwater pets, where we share inspiration, tips , detailed research, & ideas for your aquarium. We have made MANY mistakes throughout our fishkeeping journey and thus learned A LOT of valuable lessons. Join in on our community of hobbyist to grow and Share Your Experiences!

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Latest Articles

  • Iridescent Shark Catfish (Pangasianodon hypophthalmus): A Giant with Gentle Energy
  • True Flying Fox (Epalzeorhynchos kalopterus): The Algae-Eating Streamliner of Planted Tanks
  • Top 10 Most Popular Types of Betta Fish: A Guide to Colorful Personalities and Fins
  • Black Sharkminnow (Labeo chrysophekadion): A Powerful Presence in Extra-Large Aquariums
  • Red-tailed Black Shark (Epalzeorhynchos bicolor): Bold Looks and Territorial Attitude

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