How to Set Up a Quarantine Tank for New Fish

How to Set Up a Quarantine Tank for New Fish

Most disease outbreaks in an established aquarium start the same way: a new fish goes straight from the store bag into the display. Ich, velvet, flukes and bacterial infections can all ride in on a fish that looks fine on the day you buy it. A quarantine tank is a...
How to Breed Bettas: A Realistic Beginner’s Guide

How to Breed Bettas: A Realistic Beginner’s Guide

Breeding bettas looks simple in videos: put two fish together, watch a bubble nest form, and collect the fry. The reality is that a single spawn can produce hundreds of babies that each need care, space, and food you have to culture yourself. Before you start, it is...
How to Treat and Prevent Columnaris in Fish

How to Treat and Prevent Columnaris in Fish

If you see a grayish-white, cottony patch on a fish, especially around the mouth, back, or fins, your first instinct is probably fungus. Nine times out of ten it is actually columnaris, a bacterial infection that spreads fast and can wipe out a tank in days if you...
Why Are My Fish Gasping at the Surface?

Why Are My Fish Gasping at the Surface?

When your fish start hanging near the surface and gulping, it is one of the clearest distress signals in the hobby, and it almost always means something in the water has gone wrong. The good news is that most causes are fixable in minutes once you know what to look...
How to Drip Acclimate Fish and Shrimp

How to Drip Acclimate Fish and Shrimp

Bringing home new fish or shrimp is exciting, but the moment you add them to your tank is also the riskiest. The water in the bag is almost never a match for your tank, and dumping a sensitive animal straight in can shock it badly. Drip acclimation is the gentle...