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Is Algae Really That Bad? When it comes to algae in a tank, it's something that's kind of unavoidable. If you're running an excellent tank, algae is actually a good sign of having a healthy ecosystem. Whether it's hair algae, algae in the water column, or algae on surfaces—it's a really good sign that you're running a good tank. So algae is not a problem. I'm actually not terrified of algae in here in the fish room. I promote it because it's an excellent food source for a lot of fish. Many people, when they start...

When it comes to fighting algae, honestly, live aquarium plants are one of your best defenses. So think of it like having a healthy front lawn full of grass—you know, they've got forceful roots, they're growing well, you're constantly cutting them. There's very little room for weeds to come in there if everything is healthy. Versus if you have a really patchy lawn that's really unhealthy, there's plenty of open spots where just bare dirt is there. Of course, there's going to be many opportunities for weeds to land on your lawn and take advantage of...

Everyone knows that coral reef fish are colorful—but they are not the only type of fish to have beautiful colors. Freshwater environments all around the world are full of brightly colored fish. You can find them in shades of bright red, yellow, blue, green, and even pink. These colors are not just pretty to look at—many of them serve a practical purpose. Bright colors can be used to attract mates, scare away predators, or blend in with the surrounding environment. Are you looking to add a pop of color to your tank? Here is a list...