About This

• Contains one (1) API NITRATE 90-Test Freshwater and Saltwater Aquarium Water Test Kit, including 2 bottles of testing solution, 2 color cards and 1 test tube with cap
• Helps monitor and adjust nitrates and prevent invisible water problems that can be harmful to fish
• Detects high nitrate levels from 0-160 ppm
• Prevents algae growth that can be damaging to fish health
• Use for weekly monitoring and when water or fish problems appear