API Freshwater Master Test Kit – 800 Tests (pH, Ammonia, Nitrite, Nitrate)

he API Master Test Kit is one of the most trusted and widely used aquarium test kits, available in versions for Freshwater, Saltwater, Reef, and Pond. Each kit is designed to measure the most important water parameters for that specific type of setup, helping aquarists prevent invisible water problems that can harm fish and other aquatic life.

The Freshwater Kit (shown here) includes over 800 tests for the 5 most vital parameters:

• pH (standard and high range).

• Ammonia (NH₃/NH₄⁺).

• Nitrite (NO₂⁻).

• Nitrate (NO₃⁻).

It comes with 7 bottles of liquid reagents, 4 glass test tubes with caps, and a color chart for accurate and easy-to-read results. Regular testing allows aquarists to detect and fix issues like ammonia spikes or nitrite buildup before they cause fish loss.

👉 In short: a reliable, accurate, and cost-effective test kit that takes the guesswork out of water quality. Available for Freshwater, Saltwater, Reef, and Pond aquariums, with the Freshwater version being a must-have for any beginner or experienced fish keeper.