The Clean Water Series (TCWS) Water Test Strips provide a simple and accurate way to measure key water parameters in your aquarium or pond. Each pack contains 10 strips that can test for six important parameters: Nitrate Nitrite Chlorine GH (General Hardness) KH (Carbonate Hardness) pH With just one strip, you can ensure your water quality is optimal for aquatic life. Whether you're maintaining a freshwater or saltwater tank, TCWS Water Test Strips give you the information you need for a healthy environment. Benefits:✅ 6-in-1 Test: Measures six essential parameters in one convenient strip.✅ Easy and Quick: Provides fast, accurate results to help maintain water balance.✅ Complete Water Monitoring: Helps keep track of nitrate, nitrite, chlorine, pH, GH, and KH levels.✅ Essential for Healthy Aquariums: Regular testing ensures your aquatic environment stays safe for fish and plants. Directions for Use:✅ Dip a test strip into water and remove it immediately.✅ Wait for the colors to develop and compare with the color chart.✅ For best results, test water regularly and adjust parameters as needed. Pack Contains: 10 Test Strips.