Aquariums and ponds

School of silvery fish swimming past coral in a blue-lit aquarium tank

Why is my fish tank water cloudy?

We found no UK official list of causes. The aquarium trade body OATA says some substrates cloud the water when first wet and suggests draining and refilling an hour after...

Why is my fish tank water cloudy?

We found no UK official list of causes. The aquarium trade body OATA says some substrates cloud the water when first wet and suggests draining and refilling an hour after...

Pale blue and white water lily bud on calm blue-green pond water with soft reflections

Why is my pond water green?

Microscopic algae, fed by sunlight and nutrients. The Freshwater Habitats Trust says a new pond can stay green for six months or more until enough water fleas build up, and...

Why is my pond water green?

Microscopic algae, fed by sunlight and nutrients. The Freshwater Habitats Trust says a new pond can stay green for six months or more until enough water fleas build up, and...