004: Saltwater Aquarium Equipment Part Four: Water Movement And Tools

Lots of water movement is crucial to just about any marine aquarium. The region of the ocean where the creatures we aim to keep come from is in constant motion. Even if you only intend to keep fish, some powerheads dedicated to providing water movement are necessary. For corals the aim is to replicate the turbulent flows of a reef. Powerheads will generally have a flow rating in gallons per hour. Aim to have enough combined flow to turn over the water in the tank once every couple minutes or between ten and twenty times an hour. You may also … Continue reading