MCP Nitrite/Nitrate (NO2) / (NO3) Test

Nitrate/ Nitrite Test Kit Red Sea’s Nitrate/ Nitrite test kit provides either 160 Nitrate or 100 Nitrate plus 60 Nitrite advanced colorimetric tests for marine aquariums. Part of the Marine Care program this kit is essential during the maturation of all marine and reef aquariums and is suitable for ongoing algae management with Red Sea’s NO3:PO4-X in fish only systems. Important notes for using the Marine Care Program Test Kits

• Before testing clean the glass vials and the large syringe by rinsing it with the water to be tested.
• After testing rinse all syringes and vials with RO or distilled water before storing. If vials are left unwashed a residue can form that will affect the results of future tests. Use a slightly acidic solution such as citric acid to remove the residue.
• In order to ensure an accurate drop size always hold reagent bottle vertically above the test vial, and gently squeeze out each drop
• Close all reagents tightly immediately after use
• The test reagents are stable up to the date stated on the pack when stored closed
• Store the reagents and color card in the plastic box to prevent damage from prolonged exposure to light

Directions for Nitrite Test 1. Using the syringe provided, place exactly 5 ml of the water to be tested into the glass vial. 2. Add 3 drops of NO3/NO2 indicator close the vial with the cap and shake for 10 seconds. 3. Wait 5 minutes for the color in the vial to stabilize. 4. Remove the cap and move the vial between the designated positions on the Nitrite color card, look into the vial from above and compare the color in the vial to the colors on the card. Choose the Nitrite level that gives the closest color match and if necessary estimate an intermediate value. 5. The color in the reaction vial will remain stable for 1 minute. Do not relate to the color in the reaction vial after this time Directions for Nitrate Test 1. Using the syringe provided, place exactly 5 ml of the water to be tested into 5 the glass vial. 2. Vigorously shake the bottle of Nitrate Reagent A for 30 seconds and add 5 drops to the glass vial. Close the vial with the cap and shake for 10 seconds. 3. Add 2 drops of Nitrate Reagent B, close the vial with the cap and shake for 10 seconds. 4. Add 3 drops of NO3/NO2 indicator close the vial with the cap and mix gently for 10 seconds. 5. Remove the cap and move the vial between the designated positions on the Nitrate color card, look into the vial from above and compare the color in the vial to the colors on the card. Choose the Nitrate level that gives the closest color match and if necessary estimate an intermediate value. 6. The color in the reaction vial will remain stable for 1 minute. Do not relate to the color in the reaction vial after this time