Fishkeeping Advice

Fishkeeping advice answering all of your questions on keeping cold water, tropical, marine, freshwater and salt water fish.

We have a team of top aquatic experts on hand to answer your questions, email us at [email protected] and we'll pass your question on to the most relevant expert. 

How to stop a tank from overheating

One of our readers asks expert Jeremy Gay how to avoid his reef tank heater from overheating the water...

How do I reduce nitrate in an unplanted tank?

A reader is having problems with the nitrate levels in his tank - Neale Monks offers his advice...

Can a tank be too deep for some fish?

PFK expert, Neale Monks addresses a readers concerns over the depth of his fish tank.

How can I entice this fish out of hiding?

A reader asks why his new gourami appears to be hiding in his tank...

Can fish get too fat?

A reader is concerned that her fish are fat - Jeremy offers his advice...

What can I keep in a summer tub?

A readers asks which fish could survive the British climate, PFK expert Bob Mehen advises.

Can I add plants to my trickle filter

A reader asks for advice on which plants to use in a trickle filter. PFK expert Jeremy Gay gives advice.

Will this loach eat my fish?  

A reader worries about her new stock being eaten. Bob Mehen advises.

How do I treat Dermocystidium

A reader worries about her diseased Cardinal Tetras, Dr Peter Burgess advises.