Diagnose and treat common fish illnesses and solve aquarium problems.
What is ich on a fish? If your fish looks like it’s been sprinkled with salt, you’re dealing with ich — the most common fish disease in the hobby. The good news: ich is highly treatable when caught early. The bad news: it kills fast when ignored. Here’s everything you need to know. What Is…
Why is my goldfish turning black? If you’re noticing black patches spreading on your goldfish, it can be alarming. The good news: in most cases, a goldfish turning black is healing, not dying. The bad news: sometimes it signals a water quality problem you need to fix fast. Here’s how to tell which one you’re…
Algae happens to every tank. The question isn’t whether you’ll get it — it’s what eats algae best once it shows up. The good news: there’s a whole cleanup crew of fish, shrimp, and snails that treat algae like an all-you-can-eat buffet. But not every “algae eater” sold in stores is a good choice. Some…
What eats algae? The honest answer is that no single fish, shrimp, or snail eats every kind of algae. Each algae eater has a specialty, and the trick is matching the right cleaner to the algae you’re actually fighting. Get the pairing right and your tank practically maintains itself. Get it wrong and you’ve just…
Why is my fish tank cloudy? It’s the most common question new aquarium owners ask, and the answer is almost always good news: cloudy water is fixable once you identify the cause. The color of the cloudiness is your biggest clue — white, green, and brown cloudiness each point to a different problem with a…