Water Quality

Fish pollute water, but they are not adapted to live in their own waste. The only way we can keep aquariums is by way of biological filtration, and water changes.

Cyanobacteria is the technical term for slime algae. It’s not in fact algae at all its a bacteria, but it looks and behaves in a similar way.

No one likes a stinky aquarium and for some, it can make them feel positively sick! Here are some of the causes and how to fix them.

GH is an abbreviation for General Hardness, and it's a reference to how hard or soft your water is, so how do we lower GH?

Need to change your aquarium filter but worrying about crashing your cycle? Read our useful guide on how to do it without losing precious beneficial bacteria.

The pH of freshwater varies around the world, and most fish have adapted to live and breed in a narrow band of pH values, so how do we increase it?

Cycling is the single most important phase that any aquarium goes through, making sure your water is safe to add fish. Here’s how to do it.

Nitrates are the end of product of an aquariums nitrogen cycle, and high nitrates fuel algae growth. Here are some quick and easy fixes to lower your nitrates.

Fish have evolved over millions of years to suit specific types of freshwater. Give them water with a pH that is the same as in their natural habitat and they will thrive.