In a past life, I worked at a pet store, and one of the most heartbreaking things I saw on a daily basis was people who came in, little kid in tow, asking for a goldfish to put in a bowl. Goldfish are ...

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 ...