Guide to identifying and caring for show-grade tropical fish in the UK, covering Arowana, Discus, Flowerhorn, Stingray, and Zebra Pleco care, key water parameters, top equipment, and quarantine setup.
Regular testing of ammonia, nitrite, nitrate, pH, GH, and KH is essential to maintain healthy aquarium water and prevent fish stress or death. Use reliable kits like API Freshwater Master and tools like TDS meters. Establish routine water changes and enhance biological filtration for a thriving tank environment.