Algae in aquariums are almost unavoidable—but only a few actually need to be removed with a magnetic cleaner and similar tools. Photo: Getty Images / Tetiana Garkusha Algae in an aquarium are not a ...

What’s Happening? Why Does Algae Grow in Fish Tanks? Imagine walking into your living room one morning, excited to admire your beautiful fish tank—only to find that it’s been transformed into a murky ...