Fishkeeping Answers

Need fishkeeping advice? We have a team of top aquatic experts on hand to answer your questions. Email us at and we'll pass your question on to the most relevant expert. Remember to include as much information as you can about your set-up and a photo could be useful too. There are even prizes for the Tropical, Marine, Plant and Coldwater/Pond letters of the month!

Is rainwater safer than tapwater?

Practical Fishkeeping •

Neale Monks advises a PFK reader on the use of rainwater in the aquarium.

Is there really such a thing as a freshwater seahorse?

Practical Fishkeeping •

Freshwater seahorse — real or just a myth? Heiko Bleher explains...