The ROYAL NATURE royal alkalinity test will allow you to accurately determine the alkalinity content of the water in your saltwater aquarium. The alkalinity test is designed to be easy to use and read . One box can perform around 200 analyses .

The ROYAL NATURE Ammonia Professional test will allow you to accurately determine the ammonia content of the water in your saltwater aquarium. The ammonia test is designed to be easy to use and read . One box can perform approximately 100 analyses .

The ROYAL NATURE Calcium Professional test will allow you to accurately determine the calcium content of the water in your marine aquarium . The color of the indicator changes very clearly from pink to blue. One box can perform around 50 analyses .

The ROYAL NATURE royal magnesium test will allow you to accurately determine the magnesium content of the water in your saltwater aquarium. The magnesium test is designed to be easy to use and read . One box can perform around 50 analyses .

The ROYAL NATURE Nitrate Professional test will allow you to accurately determine the nitrate content of the water in your saltwater or freshwater aquarium. The nitrate test is designed to be easy to use and read . One box can perform approximately 100 analyses .

The ROYAL NATURE Nitrite Professional test will allow you to accurately determine the Nitrite content of the water in your saltwater or freshwater aquarium. The Nitrite test is designed to be easy to use and read . One box can perform approximately 100 analyses .

The ROYAL NATURE PH+KH Professional test will allow you to accurately determine the pH and Kh content of the water in your saltwater aquarium. The PH+KH test is designed to be easy to use and read . One box can perform approximately 150 analyses .

The ROYAL NATURE Phosphate Professional test will allow you to accurately determine the Phosphate content of the water in your saltwater aquarium. The Phosphate test is designed to be easy to use and read . One box can perform approximately 100 analyses .