Fishkeeping Blog
Practical fishkeeping advice, how-tos, and explainers. Every article is written by a real UK aquarist and backed by cited sources from FishBase, peer-reviewed papers, and trusted hobby references.
Practical Fishkeeping Advice
How-tos and guides from an experienced UK aquarist
White Spot on Fish: Identify Ich & Treat It Safely in the UK
Learn what fish white spot may look like, how the Ich life cycle affects treatment, and how to follow a current UK label without unsafe shortcuts.
Best Fish for a 100 Litre Tank: UK Stocking Guide
Choose fish for a 100 litre tank using adult size, social groups, footprint and tested water. Compare safer UK stocking routes and species to avoid.
Best Fish for a 60 Litre Tank: UK Stocking Guide
Choose fish for a 60 litre tank using adult size, tank length, social groups and tested water. Compare safer UK stocking routes and species to avoid.
Fin Rot in Fish: Signs, First Aid & UK Treatment
See what fin rot can look like, rule out torn fins, test water and choose a UK-labelled treatment safely. Know when your fish needs an aquatic vet.
Small Tropical Fish: 14 Species Compared
Compare 14 small tropical fish by adult size, tank footprint, group needs, temperature and water hardness, with cautious UK aquarium advice.
Best Tropical Fish for Beginners UK: 5 Picks
Compare five beginner tropical fish for UK aquariums by tested water, adult size, social group and tank fit, with a responsible stocking checklist.
Fish Tank Nitrogen Cycle: The UK Beginner's Complete Guide
Cycle a new aquarium properly before adding fish. UK guide covering fishless ammonia cycling, day-by-day timeline, troubleshooting, and the best test kits.
How to Acclimate New Fish (UK Drip Method Guide)
UK guide to acclimating new tropical fish safely. Float, drip, and net method, drip times by species, and what to do in the first 24 hours.
Complete Tropical Fish Tank Setup Guide (UK Beginner)
Step-by-step UK guide to setting up your first tropical fish tank. Equipment checklist with prices, location rules, cycling, and a 6-week stocking plan.
Understanding Aquarium Filtration (UK Beginner's Guide)
How aquarium filters actually work: mechanical, biological, chemical. UK guide to choosing between sponge, internal, HOB, and canister filters.
Angelfish Tank Mates: What Works in a Community Tank (UK Guide)
What fish can live with freshwater angelfish? UK guide to angelfish-compatible species, tank size requirements, and what NOT to add.
Aquarium Algae Control: The UK Aquarist's Complete Guide
Cure aquarium algae for good. UK guide to identifying algae types, fixing root causes, and using clean-up crew (otocinclus, amano shrimp, plecos, snails).
Best Fish for a 30 Litre Tank UK
What fish suit a 30L (8 gallon) tropical tank in the UK? Honest list of species that genuinely thrive at this size, plus what to avoid. Written by a UK aquarist.
Why Is My Fish Swimming Sideways? UK Aquarist's Guide
Fish swimming sideways or upside down? UK guide to swim bladder disorder, causes, and how to treat or prevent it in tropical fish.
Tropical Fish Tank Temperature: The Complete UK Guide
What temperature should a tropical fish tank be? UK guide to ideal temp ranges, heaters, thermometers, and why temperature matters. Written by a UK aquarist.
Tropical Fish Water pH: A UK Aquarist's Guide
What pH should your tropical aquarium be? UK guide to ideal pH ranges by species, how to test, and safe ways to adjust pH without crashing your tank.