Algae can show up in all the wrong places: pools, patios, decks, roof shingles, rain barrels, fish tanks, birdbaths, and steps. If left unchecked, algae can be more than a nuisance — it can be a ...

Brown algae is a common problem in many fish tanks, especially those that have been recently set up. It’s not dangerous to fish but can turn your beautiful aquarium into an ugly mess. This slimy layer ...

Algae in an aquarium are not a sign of neglect–quite the opposite: In a healthy tank, they are part of the ecosystem. However ...

Harmful algae were reported this month at Tonto National Forest, and park rangers are advising people visiting lakes to avoid contact with the water, as it could be poisonous. Here's what you need to ...