About This

• Contains one (1) API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count, including 7 bottle of testing solution, 2 color cards 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 reef aquariums: Calcium, carbonate water hardness, phosphate and nitrate
• Designed for use in reef aquariums only
• Use for weekly monitoring and when water or fish problems appear