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

Best Tropical Fish for Beginners (UK Guide)
UK guide to the best tropical fish for beginners. 5 hardy species, full compatibility table, week-by-week stocking plan for a 100L community tank.

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.

Small Tropical Fish for Nano Tanks (UK Guide)
UK guide to the best small tropical fish for nano tanks. 14 species under 5 cm with care specs, stocking examples, and compatibility table.

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 100 Litre Tank UK
Stocking a 100L (25 gallon) tropical aquarium? Honest UK guide to species and full community examples — schooling, dwarf cichlids, peaceful biotopes.

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.

Best Fish for a 60 Litre Tank UK
What fish suit a 60L (16 gallon) tropical tank in the UK? Honest stocking suggestions with full community examples that genuinely thrive at this size.

Betta Fish Tank Mates: What Actually Works (UK Guide)
Honest UK guide to betta fish tank mates. What species can live with a male betta safely, what to avoid, and tank size requirements.

Fin Rot Treatment in Tropical Fish: UK Guide
How to identify and treat fin rot in tropical fish (especially bettas). UK guide covering causes, treatment with Esha 2000 / aquarium salt, and recovery.

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.

Ich (White Spot) Treatment in Tropical Aquariums: UK Guide
How to identify and treat ich (white spot disease) in tropical fish UK. Step-by-step heat + medication treatment, prevention, and recovery timeline.

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.