The API Saltwater Master Test Kit is an all-in-one liquid test kit for monitoring the key water parameters in saltwater aquariums. It tests pH (high range), ammonia, nitrite and nitrate, helping you track your tank’s natural cycle and keep conditions right for marine fish and invertebrates.

With 550+ tests in total, it’s ideal for cycling new tanks, routine weekly checks and troubleshooting when something doesn’t look right. The kit comes with 4 test tubes and a handy storage tub to keep everything together. A step-by-step instruction booklet and colour chart help you read your results and explain how to correct unsafe water conditions.

Key Features

• 4 Key Tests: pH (high range), ammonia, nitrite and nitrate
• 550+ Tests: Economical for regular monitoring
• Complete Kit: 6 test solutions, 4 test tubes and a colour chart
• Handy Storage Tub: Keeps everything organised in one place
• Helpful Guide: Booklet explains results and how to correct problems
• Saltwater Aquariums: Designed for marine setups

What’s Included

• 6 test solutions
• 4 glass test tubes with caps
• Colour chart
• Step-by-step instruction booklet
• Storage tub

How to Use

1. Fill a clean test tube to the marked line with aquarium water.
2. Add the test solution(s) for the parameter you’re testing, as directed in the booklet.
3. Cap, shake or invert as instructed, and wait the recommended time.
4. Compare the colour against the matching chart, and use the booklet to understand your results.

Please note: For saltwater aquariums. Rinse test tubes with clean water before and after each test for accurate results. Keep out of reach of children, and avoid contact with the eyes and skin. Store in a cool, dry place.

Suitable For: Marine and reef aquarium owners, from beginners cycling a new tank to experienced keepers doing routine checks.