5 Best Fish Tank Ideas for a 20-Gallon AquariumGetting a new 20-gallon aquarium is like starting with a fresh, blank canvas. There are so many possibilities when it comes to choosing the decorations, live plants, and of course aquarium fish. If you’re stuck in analysis paralysis from all the choices, here are five of our favorite setup ideas to help inspire you. 1. The “I Just Want It to Look Good” Aquarium Unless you’re an expert aquascaper or creative artist type, it may be difficult for you to come up with an intricately beautiful desi...
10 Best Coldwater Fish That Don’t Need a HeaterMost freshwater pet fish require an aquarium heater because they’re used to tropical temperatures, but did you know there’s a whole class of coldwater fish that are perfectly fine at room temperature? Goldfish are the most well-known coldwater fish in the aquarium hobby, so in this article, we’re going to cover 10 more cool species that can live without a heater. 1. Sunset Variatus Platy We have a special place in our hearts for livebearers (or fish that bear live young) because of how readil...
Nutrient Deficiencies: Why Your Aquarium Plants Are DyingDo you have the perfect planted aquarium setup, but your plants are still dying one by one? It could be from a lack of nutrients. Even if you are regularly dosing fertilizers, your plants might still be missing key building blocks that prevent them from growing and thriving. In this article, we want to teach how to recognize the first signs of nutrient deficiencies so that you can take appropriate measures before your plants reach death’s door. Example of a normal, healthy plant leaf Types o...
Care Guide for Guppies – The Most Popular and Colorful LivebearerGuppies (Poecilia reticulata) are one of the most popular fish in the aquarium hobby because of their brilliant colors, lively personalities, and ease of breeding. In this care guide, we answer your most frequently asked questions about this simple yet beautiful species. Why Are Guppies So Popular? Discovered in South America around the 1860s, this hardy livebearer (or fish that gives birth to live young) was once used as pest control for mosquitos. They were eventually introduced to the pet ...
How to Use a Gravel Vacuum to Clean AquariumsEver wonder if there’s an easy way to clean all the fish waste and uneaten food that’s fallen in between the aquarium’s gravel or substrate? The good news is that there’s no need to dump out and wash everything in the sink. Instead, you can vacuum up the detritus with a simple aquarium siphon – no batteries required! Step 1: Get the Materials You just need two items: an aquarium siphon (also known as a gravel vacuum, gravel cleaner, or siphon kit) and a bucket to hold the dirty water. If you ...
7 Popular Fish You Should Try in a 20-Gallon Aquarium20-gallon aquariums are one of the most popular tank sizes among fish keepers because they’re small enough to keep in a bedroom but big enough that you can choose from a wide variety of fish to keep. With all these possibilities, check out our favorite freshwater fish to spice up your aquarium with their beautiful colors and interesting behaviors. 7. Julidochromis This stunning, three-inch fish is the perfect choice if you’ve ever wanted to try keeping Tanganyikan cichlids. They have the amaz...
The Easy Guide to the Nitrogen Cycle for AquariumsAre you getting started with your first fish tank? Then you may have heard of something called the “aquarium nitrogen cycle,” followed by a bunch of complicated scientific terms and graphs that seem a little overwhelming. No need to panic! Keep reading as we explain the nitrogen cycle in this very short and simple guide. What is the Nitrogen Cycle for Aquariums? The nitrogen cycle basically describes how nature creates food (in the form of microorganisms and plants), fish eat the food and pro...
How to Use Pothos as a Natural Aquarium FilterOne of the reasons we love aquarium plants so much is because of their ability to absorb toxic nitrogen compounds (produced by fish waste) from the water, but what if you own fish or aquatic pets that are natural-born plant killers? It’s time to get a pothos plant for your aquarium! While pothos won’t mechanically filter out particles from your tank water, they’re great at reducing nitrate levels (and algae growth) so that you don’t have to do as many water changes to keep your fish happy and...
How to Fight 6 Types of Algae in Your Fish TankDo you dream of having a beautiful aquarium but end up constantly fighting to keep algae at bay? It’s a familiar struggle that many of us have been through, so in this article, let’s get a better understanding of the root causes of algae, the most common types found in freshwater aquariums, and how to gain the upper hand. Is Algae Bad for a Fish Tank? Contrary to popular belief, algae are not evil. Like plants, they use photosynthesis to convert light and organic nutrients in the water (such ...
5 Best Fish Tank Ideas for a 29-Gallon AquariumMost people start with smaller aquariums to keep nano fish like guppies and bettas. But have you ever thought of moving up to the next weight class? 29- and 30-gallon (110–114 liters) aquariums are some of the first sizes that allow you to start getting medium-sized species. They also give you the extra space to design more elaborate aquascapes or biotopes. Learn about our top 5 fish stocking ideas that fit in this popular category of tanks. 1. The South American Aquarium The Amazon rainfores...
Top 5 Midground Plants to Balance Your Planted AquariumWhen creating a planted tank, the type of plants you choose and where they are placed can make a big difference in the overall appearance of the aquarium, especially once the plants have grown in. The most balanced-looking tanks tend to have taller plants in the back of the tank and shorter plants up front. But the dramatic height difference between the two isn’t always visually appealing. This is why aquascapers use midground plants or medium-sized plants to create a visual transition from t...
Care Guide for Mollies – Feeding, Breeding, and Tank MatesOne of the most popular aquarium fish found at pet stores are mollies because of their wide selection of colors, energetic behavior, and ease of breeding. If you are looking for a livebearer (or fish that bears live young) that is bigger than a platy but smaller than a swordtail, then mollies strike a happy medium. While molly fish are fairly easy to care for, beginners sometimes struggle with them, so find out the secret to caring for mollies and successfully breeding them in your home. What...
Care Guide for Nerite Snails – Favorite Nano Algae EaterNerite snails are beloved for their ability to eat algae in fish tanks without breeding out of control. We currently care for approximately 1000 of them in our retail store, warehouse, and personal aquariums. Find out how to keep these peaceful critters happy and thriving in your own home. What are Nerite Snails? Nerite snails come from the Neritidae family, which derives its name from a Greek sea god called Nerites. Many of them are found in coastal areas around Africa and the Indo-Pacific r...
Care Guide for Blood Parrot Cichlids – The Hybrid with a Tiny MouthBlood parrot cichlids are super cool, derpy fish that we have previously kept in an 800-gallon aquarium. Why choose them over any number of animals that could live there? They possess an interesting mix of features — larger size, bright color, and yet a smaller mouth that makes them less likely to damage or eat other fish. As long as you have the tank space and the right kind of food, they are pretty easy to keep. What are Blood Parrot Cichlids? This is not the saltwater parrotfish, but rathe...
How to Use an Egg Tumbler to Hatch Aquarium Fish EggsHave you ever tried raising baby fish (called fry)? For many African cichlid and catfish species, using an egg tumbler to raise eggs into fry can give you a better success rate. The purpose of an egg tumbler is to help water circulate over and around the fish eggs. The gentle movement created by an egg tumbler will help provide an oxygen-rich environment for the eggs and also help prevent fungus from developing on the eggs. The Ziss Egg Tumbler is a very easy-to-use device that was designed t...
How to Set Up (and Maintain) a Brackish AquariumIf you have been keeping freshwater aquariums for a while, you may feel like you’ve already tried everything in the hobby, such as nano tanks, aquascaping, African cichlids, and ponds. Consider setting up your first brackish fish tank that will allow you to try an entirely new category of animals. Many aquarists get a little nervous about making brackish water, but in our opinion, it is quite easy for anyone who has kept freshwater tanks before. Learn what it takes to create and maintain your...