Aquarium Water Test Strips Kit 5-17 In 1 For Freshwater & Saltwater -. Ensure the Ideal Environment for Your Aquarium with Our Versatile Water Testing Kit. Designed to Test 5 to 17 Essential Elements, This Kit Accurately Measures Iron, Copper, Nitrate, Nitrite, Free Chlorine, Hardness, Total Alkalinity, Carbonate, and PH Levels. Each Kit Includes a Handy Test Tube for Easy Sample Collection and Comparison. Our Quick and Accurate Test Strips Provide Reliable Results in Just 30 Seconds. Simply Dip a Strip into the Water for 2 Seconds, Wait, and Compare It to the Color Chart for Immediate Insights on Your Water Quality. Made from Premium PVC, the Strips Are Designed to Prevent Color Bleeding and Ensure Durability. The Bottle Packaging Shields the Strips from Light and Moisture, Extending Their Lifespan. Suitable for Freshwater, Saltwater, Marine Fish, and More, You Can Easily Monitor and Maintain a Healthy Environment for Your Aquatic Life. Features: - Multi-Element Testing: Tests for Iron, Copper, Nitrate, Nitrite, Free Chlorine, Hardness, Total Alkalinity, Carbonate, and PH - Quick Results: Accurate Readings in Just 30 Seconds - Premium Quality: Made from Non-bleeding PVC Material - Wide Application: Compatible with Various Aquatic Environments - Durable Design: Protective Bottle Prolongs the Life of Strips - Convenient Use: Includes a Test Tube for Easy Sample Handling - Optimal Storage: Best Stored in a Cool, Dry Place for Up to 2 Years Package Includes: - 100/125 Test Strips - 1 Test Tube.