About This

• Contains one (1) API SALTWATER MASTER TEST KIT 550-Test Saltwater Aquarium Water Test Kit, including 6 bottles of testing solution, 1 color card and 4 test tubes with cap
• Helps prevent invisible water problems that can be harmful to fish and cause fish loss
• Accurately monitors 4 most vital water parameters levels in saltwater aquariums: high range pH, ammonia, nitrite and nitrate
• Designed for use in saltwater aquariums
• Use for weekly monitoring and when water or fish problems appear