GT Pond Fish Tank Test Strips

GT Pond Fish Tank Test Strips:Carbonate, pH, water hardness, total chlorine, residual chlorine, nitrate, nitrite Warning: 1. Do not put wet hands into the bottle 2. Do not touch or contaminate the test strip with your hands 3. Seal the bottle after each test strip is taken out 4. Compare the test strip colors under good lighting for the most accurate results 5. Store in a cool, dry, dark place 6. Use within 90 days after opening