About this item

• Contains one (1) API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 25-Count Box
• Monitors levels of pH, nitrite, nitrate carbonate and general water hardness in freshwater and saltwater aquariums
• Dip test strips into aquarium water and check colors for fast and accurate results
• Helps prevent invisible water problems that can be harmful to fish and cause fish loss
• Use for weekly monitoring and when water or fish problems appear