Must-have
Seachem
Fish & Aquatic · Water Care
Seachem Prime Fresh and Saltwater Conditioner, 500 ml
Best for: Making tap water safe at every water change
Fish & Aquatic Water Care
Conditioners, test kits and treatments.
Test kit
API
Fish & Aquatic · Water Care
API Freshwater Master Test Kit (800 Tests)
Best for: Checking water quality, especially in new tanks
Water changes
Aqueon
Fish & Aquatic · Water Care
Aqueon Siphon Vacuum Gravel Cleaner with Bulb, 10 in
Best for: Weekly water changes on 15–55 gallon tanks
How to choose
Two essentials: a water conditioner for every water change, and a liquid test kit to check ammonia, nitrite and nitrate.
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