Alkalinity, also known as KH, dKH or Carbonate Hardness is one of the most important parameters in a reef tank. Control KH and you will be well on the way to success.

Being an algae, Blanketweed needs light, water and food to survive. Without those three ingredients it won’t get started in the first place and by controlling two of them, it can help us tackle it once established.

Cleaning a sponge should be the easiest of tasks, with few ways to get it wrong, but not if its an aquarium filter sponge.

This is one of the most frequently asked questions, and one that we’ll attempt to answer here. But it is subject to many variables which need to be addressed first.

A nano reef tank can offer beautiful aesthetics, even on a smaller scale. While the footprint is modest, the setup requires the same care as a full-size reef. In this guide, we’ll walk you through the process of creating a thriving marine aquarium step-by-step.

The addition of a waterfall can completely transform your outdoor space. But where should you start with building  your own waterfall?
We’ve put together this guide of helpful tips, planning advice, and inspiring ideas to help you get started.

Ich is an abbreviation of the word Ichthyophthirius multifiliis, the scientific name for Whitespot, something most fishkeepers experience at some point.

Corals need Calcium just like we do, and if they aren’t doing well, after addressing light and water flow, Calcium is usually the thing we think we need to raise first.

Phosphates are a big problem for the reefkeeper. High phosphate levels fuel nuisance algae and retard coral growth.