Ask ten reefers whether you need a refugium and you will get ten confident answers, half of them contradictory. The truth is that a refugium is not mandatory, but it is one of the most useful low-tech tools in the hobby. It is essentially a separate compartment,...
Guppies have a reputation as the perfect beginner fish, and for the most part it is deserved. They are hardy, colorful, active, and cheap to get started with. What catches new keepers off guard is not keeping them alive, it is keeping up with how fast they breed. Let...
Bubble algae has a nasty reputation, and it is mostly earned by people who tried to squeeze the shiny green spheres and watched a dozen new ones appear the following week. The plant is not that hard to control once you understand the one rule that governs it: each...
Fin rot is probably the most common ailment new fishkeepers run into, and it is also one of the most treatable if you catch it early. The trouble is that people either miss the early signs or panic and dump medication in without fixing the real cause. Let me walk you...
If you want a reef tank that feels alive with behavior rather than just color, few things beat a goby and pistol shrimp pair. The shrimp is nearly blind but a tireless digger; the goby has sharp eyes but no home. Together they run one of the most charming partnerships...
