Red Sea - Calcium Pro Test Kit - 75 ct

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SKU: 253153
Manufacturer: Red Sea
MPN: 21405

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Higher quality reagents and a high precision titrator make Red Sea's Calcium Pro Test kit more accurate than the previous model. Clear, thorough instructions make using the test kit easy. Accurate to +/- 2.5 ppm. Includes reagents, analytic grade glass vials and high precision titrator. Part of the Reef Care Program. Helps your corals achieve the best health, vivid, electric coloration and rapid growth. Reef Care lines include: Algae Management, Reef Colors, Reef Foundation and Reef Energy. For the healthiest corals, use the entire Reef Care Program.

Click here for a Reef Foundation Instruction Manual direct from Red Sea.

Click here for a Reef Care Information Guide direct from Red Sea.

Click here for a Reef Care FAQ direct from Red Sea.

The video below shows a demonstration of the Calcium Pro Test Kit:


Internal ID
Red Sea


Directions for Calcium Pro Test Kit

1. Using the large syringe provided, place exactly 5 ml of the water to be tested into the glass vial.
2. Add 5 drops of Calcium Pro Reagent A and mix gently with the water sample.
3. Add a leveled measuring spoon of Calcium Pro Reagent B, close the vial with the cap and shake for 20 seconds. The test sample will now have the titration start color as shown on the instruction card.
4. Screw the glass vial onto the bottom of the Titrator.
5. Ensure that the dispensing tip is on the 1 ml titration syringe and fill with 1ml of Calcium Pro Titrant (C). [see note for filling titration syringe.]
6. Insert the syringe into the center of the Titrator so that the volumetric scale on the side of the syringe is visible. The graduations of the volumetric scale are 0.01 ml, equivalent to 5 ppm of calcium.
7. Add the first 0.6 ml of titrant (equivalent to 300ppm of calcium) by pressing the plunger of the syringe while gently swirling the Titrator. Continue adding the titrant gradually, swirling the Titrator after each addition and paying attention to the color in the vial. As the color in the vial approaches the end color as shown on the instruction card, add one drop at a time, swirling after each drop, until the end color is achieved. Note: If you have added 1 ml of Calcium Titrant C, without reaching the end color, the calcium concentration of your water sample is more than 500 ppm. Refill the syringe and continue to add titrant until you reach the end color.
8. Note the amount of titrant used (according to the initial and final position of the plunger not the liquid surface) and use the table to calculate the level of calcium in the water sample.
9. Return any unused quantity of titrant to the Calcium Pro Titrant C bottle.

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