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Tropical Edu International

Educational Platform for aquarists

  • Freshwater Aquarium
    • First aquarium
    • Fish nutrition
    • Water chemistry
    • Fish
    • Crustaceans
    • Water plants
    • Technical issues
    • Tips
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Monday, April 13, 2026

Category: Freshwater Aquarium

Freshwater aquarium is a wide-ranging hobby in which every fish, invertebrate and plant lover shall find something of interest. We will show you how beautiful and interesting freshwater aquariums really are. If you are a beginner, be sure to read the information in the My first aquarium. We will tell you how to set up an aquarium and how to care for it. We will also show you which fish are suitable for you first aquarium. We publish descriptions of interesting species of fish on regular basis and we’re sure that among them you will find species that will fascinate you.

To ensure proper functioning of the aquarium, you need to know basic facts about water chemistry and understand the role of nitrifying bacteria. And don’t forget to read our articles about fish nutrition. You will find there not only basic information on how to choose food and how to feed fish, but also about interesting ingredients of ready-made foods.

 

What do aquarium shrimp eat?
Crustaceans Freshwater Aquarium

What do aquarium shrimp eat?

When observing freshwater aquarium shrimp of the genera Caridina and Neocaridina, you’ll notice they’re almost constantly feeding. Whether they’re perched on a leaf, root, or the substrate, they’re always nibbling … Read More

shrimps Comment on What do aquarium shrimp eat?
What lighting should you choose for your aquarium?
First aquarium Freshwater Aquarium Technical issues

What lighting should you choose for your aquarium?

For many, aquarium lighting seems like a given. A well-lit tank immediately catches the eye and adds charm to any interior. More importantly, proper lighting enhances the colors of your … Read More

aquarium maintenance Comment on What lighting should you choose for your aquarium?
Boiled water in the aquarium – is it worth using?
Freshwater Aquarium Tips Water chemistry

Boiled water in the aquarium – is it worth using?

Over the years, many myths and misunderstandings have emerged regarding the use of boiled water in aquariums. Although fewer and fewer aquarists choose to use it in their home tanks, … Read More

aquarium maintenance Comment on Boiled water in the aquarium – is it worth using?
How do probiotic in fish food work?
Fish and corals nutrition Fish nutrition Freshwater Aquarium Marine aquarium

How do probiotic in fish food work?

Probiotic in fish food are becoming increasingly common. However, many aquarists still wonder whether using them in fish diets is truly beneficial. Do fish even need probiotics? What is a … Read More

bacteriafish food Comment on How do probiotic in fish food work?
Zebra Danio (Danio rerio): a lively fish for small aquariums
Fish Freshwater Aquarium

Zebra Danio (Danio rerio): a lively fish for small aquariums

Are you looking for a fish that will bring vibrancy to your aquarium? If you have a small tank, the zebra danio (Danio rerio) could be the perfect choice. This … Read More

Asiafish for beginners Comment on Zebra Danio (Danio rerio): a lively fish for small aquariums
Glofish zebra danio and other artificially colored fish
Fish Freshwater Aquarium Science

Glofish zebra danio and other artificially colored fish

The fish found in pet shops are typically young specimens that have not yet displayed their full potential beauty. It is a well-known fact that customers tend to “buy with … Read More

Comment on Glofish zebra danio and other artificially colored fish

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