Maintenance

How to raise pH in an African cichlid tank

Cichlids from East Africa’s Great Rift Valley are adapted to hard, alkaline water with a high pH in the wild, and should be given similar water conditions in the aquarium if they are to thrive. Tap water in the UK ranges from about pH 6-8.5 and depends on where you live, and where your local water authority sources its water from. A pH of 6 is lovely for most South American and West Af...

Why is my fish tank green?

Fish tanks turn green with algae, which needs light, water and nutrients to grow. Algae spores are airborne, so even if you start off with brand new everything, coldwater, tropical or marine, your tank will go green.Algae are tiny plant-like dots that can stick to surfaces like the tank glass or even be free-floating in the water. A little algae is natural in any tank - some fish, snails and ...

How to clean an aquarium filter pump

Most fishkeepers know about the importance of cleaning filter sponges, and to only ever do it in old aquarium water, not tapwater. They also know to replace white filter wool and polishing pads when dirty, and to replace carbon every 30 days. But the filter pump itself, the beating heart of the filtration system also needs maintenance too. A typical scenario goes like this: You switch th...