API Replacement Test Tubes for Aquarium Test Kits 3 Pack Bundle

• Replacement Test Tubes compatible with the Aquarium Pharmaceuticals (API) Test Kits
• Includes caps
• 3 Pack

Product description Replacement test tubes and caps. For use in all Aquarium Pharmaceuticals water testing kits where the original tube has been lost or damaged. Replacement pack x 3 vials supplied. Directions 1. Rinse the replacement test tubes with clean water to ensure there are no impurities. 2. Fill the test tubes with aquarium water up to the indicated line. 3. Add the appropriate test kit reagents to the test tubes as per the test kit instructions. 4. Cap the test tubes and gently shake or mix them to combine the water and reagents. 5. Compare the resulting color to the test kit's color chart to determine water parameter levels.