Freshwater Aquarium Blog

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How to Treat Hole-in-the-Head Disease in Aquarium Fish - Aquarium Co-Op
How to Treat Hole-in-the-Head Disease in Aquarium Fish
If your fish has pits or lesions around its head or lateral line, it may have hole-in-the-head (HITH) disease. Find out the causes and treatments for this symptom.
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How to Treat Camallanus Red Worms in Aquarium Fish - Aquarium Co-Op
How to Treat Camallanus Red Worms in Aquarium Fish
Fish diseases can be hard to diagnose, but if you see red worms coming from your fish, it could be Camallanus worms. Learn about their causes, symptoms, and treatment.
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How to Quarantine Fish the Easy Way - Aquarium Co-Op
How to Quarantine Fish the Easy Way
One of the easiest ways to stop your fish from getting sick is to set up a quarantine tank to temporarily isolate newly purchased or ailing fish. A separate aquarium...
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How to Treat Parasites in Aquarium Fish - Aquarium Co-Op
How to Treat Parasites in Aquarium Fish
Internal and external parasites can prevent your aquarium fish from properly absorbing nutrients and gaining a healthy weight. Learn about these 5 antiparasitic medicines to give your fish a clean...
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What is Neon Tetra Disease? - Aquarium Co-Op
What is Neon Tetra Disease?
Neon tetras are a popular nano fish known for their beautiful, red and blue stripes, but sometimes they get a bad reputation for being a “sensitive” fish that is prone...
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Anubias Rot: Symptoms, Causes, and Solutions - Aquarium Co-Op
Anubias Rot: Symptoms, Causes, and Solutions
Anubias rot is an uncommon disease that can affect anubias plants in the aquarium hobby. Unfortunately, there is very little information about how it starts and how to stop its...
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How to Treat Livebearer Disease - Aquarium Co-Op
How to Treat Livebearer Disease
Livebearer disease is a catch-all term used to describe many disorders that commonly affect livebearers (or fish that bear live young). These different ailments can include the shimmies, wasting disease,...
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How to Treat Sick Aquarium Fish (Even If You’re Not Sure What’s Wrong) - Aquarium Co-Op
How to Treat Sick Aquarium Fish (Even If You’re Not Sure What’s Wrong)
Treating sick aquarium fish can be difficult, especially if you’re new to the hobby or have never seen this disease before. Based on years of experience helping customers at our...
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How to Get Rid of Blue-Green Algae in Aquariums - Aquarium Co-Op
How to Get Rid of Blue-Green Algae in Aquariums
Do you have a mysterious, blue-green slime taking over your aquarium? Or is there a strange smell coming from your fish tank? You might be dealing with blue-green algae (or...
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How to Cure Fungus on Aquarium Fish - Aquarium Co-Op
How to Cure Fungus on Aquarium Fish
If your fish has a white- or gray-colored growth on its mouth or body, it could have a fungal infection. Fungal outbreaks are often caused by stressful or poor water...
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How to Treat Ich or White Spot Disease on Freshwater Fish - Aquarium Co-Op
How to Treat Ich or White Spot Disease on Freshwater Fish
Ich is one of the most common diseases that your aquarium fish can encounter. Also known as freshwater ick or white spot disease, Ichthyophthirius multifiliis is an external parasite that feeds...
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Aquarium Salt: When and How to Use It Properly - Aquarium Co-Op
Aquarium Salt: When and How to Use It Properly
Should aquarium salt be used in freshwater tanks? Some people recommend dosing it all the time to provide fish with essential electrolytes while others say it’s mostly used for treating...
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