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Red aquarium plants can completely change the look of a planted tank. A healthy group of red stems, a deep burgundy sword plant, or bright red floating plants can make an aquascape look more alive, more dramatic, and more professional. But there is also a problem. Red plants do not always stay red. Many aquarists…

Most aquarists start with the idea of a community tank. I completely understand why. A tank with several species can look full of life. Some fish swim near the surface, others stay in the middle, and some spend most of their time on the bottom. When it is planned well, the whole aquarium feels alive…

I have used the Fluval 307 canister filter for several years, so this review is not based only on a quick setup or first impression. This filter worked in my aquarium for a long time. Later, I had a break from using it, and now I plan to reactivate it again. Because of that, I…

I have been using the Fluval FX2 for more than one year on a freshwater aquarium, and overall, I am very happy with it. It has kept my water very clear, it has been reliable, and it has not caused me any serious problems in daily use. This is not a tiny filter for a…

Finding a dead fish in your aquarium is never a nice experience. Even when I know that fish, like all living animals, do not live forever, it can still feel upsetting and confusing when it happens. One day the aquarium looks peaceful. The fish are swimming, eating, and behaving normally. Then suddenly, I notice one…

There is something incredibly attractive about an open-top aquarium. I love the look of a clean rimless tank with clear glass, hanging lights, healthy plants reaching above the water, and no bulky hood blocking the view. It feels modern, natural, and elegant. A lidless aquarium can make a fish tank feel less like a closed…

Not everyone wants to deal with the hassle of aquarium soil, and honestly, you don't always have to. Maybe you are keeping bottom-dwelling fish that constantly dig up the sand, or perhaps you just prefer the clean look of a bare-bottom tank. Whatever the reason, if planting in a traditional substrate isn't your thing, you…

Do you have an open  aquarium and feel like something is missing? Floating plants might just be exactly what you need. Floating plants are an absolute blessing, especially if you don't exactly have a green thumb. Even if you struggle to keep hardy underwater plants like Java Fern alive, you'd have to try really hard…

Forktail Blue-eyes (Pseudomugil furcatus) are one of those fish that immediately catch your eye – small, colorful, and full of energy. In this article, I’ll walk you through what they eat, how to breed them, and how to make them feel right at home in your tank. If you're into fish that look amazing and…

The topic of hybrids in the world of aquaristics has divided people for years like few others. Some are fascinated by them – because they are original, because they are different, because “wow, this has never been seen before.” Others, however, hold their heads, talking about ethics, fish health, and destroying genetic purity. To be…

Rasbora espei is a popular and colorful fish in freshwater aquariums. This species is known for being peaceful and looks great in community tanks with other small, friendly fish. In this easy-to-follow care guide, we’ll explain how to take care of Rasbora espei, including what kind of tank they need, what to feed them, and…

If you're new to fishkeeping, consider starting with a 10-gallon aquarium—it's perfect for beginners like you. Not only does it fit nicely into smaller spaces, but it also offers plenty of options for creating a visually appealing setup. In this guide, we'll walk you through everything you'll need to get started with your 10-gallon tank…

When choosing a plant for a freshwater aquarium, we have almost unlimited options. We can pick the color and shape to match the overall design of our aquarium. One very interesting plant to consider today is the Tiger Lotus. It is a relatively easy plant to maintain, yet it’s very striking. It has wide, wavy…

When we talk about filtration in fishkeeping, people often say that the third step is chemical filtration. But do you really need chemical filtration in your aquarium? Below, I will explain when you might use chemical filtration and if it is truly necessary. What is chemical filtration? It is one of the types of filtration…

Fish don’t have to be the only residents in an aquarium. You can also keep small shrimp, crayfish, tiny frogs, and snails in it. Among them, shrimp are the most popular. These tiny crustaceans have become very popular with aquarium enthusiasts. More and more new species are being imported, and breeders are constantly creating new…

A good aquarium filter will keep your aquarium healthy. However, finding the right filter might require a bit of time and work. With so many options on the market, selecting the right filter for your specific aquarium size and type of fish can be a daunting task. In this article I will explain why a…

Rotala Rotundifolia is one of the most popular aquatic plants among aquascapers. It is especially prized for its vibrant colors and ease of maintenance. Native to Southeast Asia, Rotala is known for its unique ability to change color depending on light intensity. Under the right lighting conditions and with sufficient nutrients, the plant can transform…

It's easy to see why these fish are so popular in aquariums. Their transparent bodies immediately catch the eye, which is why they're called glass catfish. They're also known by a few other names – ghost fish, glass cat and phantom catfish. This guide will help you learn how to care for glass catfish. You'll…

Mechanical and biological filtrations are both important for maintaining a healthy aquarium. While you might manage without chemical filtration, you really can't overlook the importance of mechanical and biological filtration—they work hand in hand. Even though biological filtration plays a key role, skipping mechanical filtration could lead to poor water quality. Below, I'll explain what…

Did you know that your filter is alive? Yep, it's true! Those good bacteria in the filter keep your aquarium clean and healthy. Without them, it would be a mess! Biological filtration has a huge impact on water quality. The bacteria in the filter are responsible for removing nasty substances in the water. In this…

These are one of the most popular freshwater fish. They belong to the Osphronemidae family and come from southeast Asia. The three spot gourami is named from the characteristic points on the sides of the fish. Generally, 2 points are visible and the third one is barely visible or does not exist at all. Depending…

Clown loach, with its bright colors and fun behavior, is one of the most popular fish. It adds life to any aquarium and can even make smile people who aren't usually interested in fishkeeping at all. It's very easily available in aquarium stores, but if you want keep them in your aquarium you'll need a…

Do you notice a bad smell coming from your fish tank? It could mean there's a problem with your aquarium. A well-maintained aquarium should not have any bad odor. There are many reasons that can cause a bad odor from your aquarium. Here, I'll talk about why your aquarium might smell bad and how you…

Choosing the best algae scraper turned out to be a very interesting experience. My aquariums accumulated large amounts of algae so I could check which algae scraper would work best. I chose the 5 most popular algae scrapers. Below I will present you the results of my tests. I think you will quickly find the…

Gold barb will certainly brighten up your aquarium. It impresses with its colors and shoaling behavior. However, what makes them most popular is their ease of care. Perfect for beginner aquarists. If you are just starting your adventure, this will be the perfect fish for you. In this article I will discuss everything you need…

The water condition is crucial to fish health when you introduce fish to you aquarium for the first time. The water conditions may determine whether your fish acclimatize or simply die. To improve the water condition in the tank, aquarists choose dechlorination. Many beginners ask me what will happen if we put too much of…

Calcium accumulation in the aquarium makes it look ugly. It may also affect the health of your fish. The ability to remove calcium buildup from an aquarium is a must for every aquarist. Below I present you the simplest ways to remove calcium buildup in the aquarium. You may have heard of one with it,…

The filter is an essential tool for every aquarium. It provides benefits not only to you but above all to the inhabitants of the tank. Its main task is to clean the water and break down substances harmful to fish. The filter must operate 24 hours a day and should not be turned off. You…

Have you ever witnessed fish jumping out of a tank? In their natural habitat, fish often do this to escape danger and relocate or to move to another location. If the fish falls to the ground, it will die immediately if not moved back into water. How can you prevent this in your fish tank?…

Celestial pearl danio is very popular among aquarists due to its unique pattern and interesting temperament. These fish are perfect for small aquariums. They quickly became popular, which resulted in a huge supply and excessive harvest. Just a few months after its discovery, Celestial Pearl Danio was close to extinction in the wild and therefore…

First, I would like to answer the question: Can I turn off my aquarium filter at all? The answer is no. My answer may seem a bit disappointing now. I'll explain why in a moment. How long can you turn off your filter? I don't think you should turn it off at all. Online you…

Evaporation is nothing more than the water evaporating. Answering the question of how to stop water evaporation from the aquarium, there is only one answer: you can't do it. It's a process that generally cannot be stopped. It's important to realize that the only thing you can do is take actions to reduce water evaporation.…

I have been using the Oase Biomaster 250 filter for over a year. That's when I first encountered the Oase brand. I didn't know what to expect from this filter, but it made a huge impression on me. I still use this filter in my 20 gallon aquarium. In this tank I have Cardinal Tetras,…

This tiny catfish can be the perfect fish for you if you want to set up a small aquarium. It's an ideal catfish for beginners, friendly to other fish, and will feel comfortable even in small tank. They are one of the smallest fish in the world, which is why many people are very fascinated…

One of the most respected producers of aquarium products is Eheim. I've been thinking about buying the filter that is talked about so much online for a long time. Finally, I decided to get it. I've been using it in my aquarium for about a year. This long period allowed me to create an honest…

I think you often overlook snails, but they are fascinating creatures that can benefit your tank in many ways. You may say: I don't want to deal with a snail invasion in their aquarium. You're right. This is the biggest nightmare of every fishkeeper. It seems inevitable, in some way or another, to introduce snails…