Filamentous algae are among the most common—and for many, the most frustrating—types of algae found in aquariums. Recognizable by their bright green color and fibrous, thread-like appearance, these algae often grow on surfaces like plants, driftwood, rocks, and decorations but struggle to develop on smooth surfaces like glass. Despite their bad reputation, filamentous algae shouldn’t…

Fish tank maintenance is the single biggest factor between a thriving aquarium and one full of cloudy water and stressed fish. Get it right, and your tank practically runs itself. Get it wrong, and you’re chasing algae blooms and sick fish every other week. In this guide, you’ll learn exactly what to do daily, weekly,…