The API Saltwater Master Test Kit provides reliable liquid testing for four essential marine aquarium water parameters: high-range pH, ammonia, nitrite, and nitrate. Regular testing helps identify water quality problems before they become harmful to fish and invertebrates.

Ideal for new and established saltwater aquariums, this comprehensive kit includes six bottles of testing reagents, four glass test tubes with caps, a holding tray, color charts, and step-by-step instructions. With over 550 tests, it's a practical solution for monitoring the nitrogen cycle and maintaining healthy aquarium conditions.

Tests Included

• High-Range pH

• Ammonia (NH₃/NH₄⁺)

• Nitrite (NO₂⁻)

• Nitrate (NO₃⁻)

Recommended Use: Test weekly and whenever water quality or fish health problems arise.