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Care Guides

Betta Fish
Tank setup, feeding, and health
Discus
Advanced care for the king of freshwater
Guppy
Easy, colourful livebearers
Neon Tetra
The classic beginner schooling fish
Cardinal Tetra
Brighter cousin of the neon
Cherry Shrimp
Hardy shrimp for planted tanks

Beginner Guides

First Tropical Tank
Your complete starter guide
Water Chemistry
pH, GH, KH explained
Live Plants
Easy plants for new aquascapers
Shrimp Keeping
Getting started with freshwater shrimp
Cichlid Care
Basics for all cichlid types
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Species & Buying Guides

Oscar Fish
Tank size, diet & temperament
Guppy
Colour strains, care & breeding
Angelfish
Keeping the freshwater classic
Corydoras
Peaceful catfish clean-up crews
Cardinal Tetra
Shoaling jewel of the Amazon
Browse the full guide library
Every species & buying guide we've written

Aquarium Tools

Stocking Calculator
Plan your fish numbers
Water Parameter Matcher
Match species to your water
Tank Volume Calculator
Calculate litres from dimensions
Nitrogen Cycle Tracker
Track your fishless cycle
Tank Mate Checker
Check species compatibility
Acclimation Timer
Guided drip acclimation

Tropical Fish Co

Live fish, aquarium food and specialist supplies for UK hobbyists, with practical product guidance and cited care resources from aquarists.

Delivery information & support

hello@tropicalfishco.co.uk

20 Wenlock Road, London, N1 7GU

WhatsApp: +44 7464 593131

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Learn

Buying Guides
Care Guides
Blog
First tropical tank
Nitrogen cycle
Water chemistry
Meet Kevin (editor)

Free Tools

Stocking calculator
Tank mate checker
Water matcher
Cycle tracker
Tank volume
Acclimation timer
All free tools

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Aquael
Internal Filters

Internal Filters

7 products available

Internal Filters for sale UK at Tropical Fish Co — Aquael SAS 500 Surface Skimmer Filter and more. Live arrival guarantee + tracked UK delivery.

5.0 Google-rated shop

Trusted by UK fishkeepers buying live aquatics online.

Free over £200.00Free delivery over £200.00£20.00 live-arrival delivery below that.10% off first order10% off first orderUse WELCOME10 at checkout.Multi-buy savingsMulti-buy fish savingsShoals and pairs show their best-value tiers on product pages.7 live7 live productsBrowse in-stock fish, shrimp, snails and supplies.

Browse all 7 Internal Filters+

Aquael SAS 500 Surface Skimmer Filter Aquael Replacement Sponge FAN-Mini Plus - 2 pc Aquael ASAP 300 l/h Internal Filter Aquael Turbo 500 l/h Internal Filter Aquael Internal Filter FAN Micro Plus 250l/h Aquael PAT-MINI Internal Filter 400 l/h Aquael Internal Unifilter UV 750l/h