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Marine Mg Test
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rikka Mg test is a test kit for fast and accurate measurement of magnesium in marine water.A normal magnesium level is essential for keeping calcium and alkalinity in proper balance in reef aquariums.Measuring Mg2+1. Rinse the test vial several times with the water to be tested.2. Fill the test vial with 5 ml of the water to be tested.3. Add 5 drops of reagent “Mg-1”; do not mix afterwards!4. Add one level spoonful of “Mg-2” powder and swirl the vial until it turns an even pink. Some sediment may form; it does not affect the result.5. Draw reagent “Mg-3” into the 1 ml syringe and set the lower edge of the plunger to the 1.00 ml mark.6. Add the reagent drop by drop (0.01-0.02 ml at a time), mixing the sample after each addition, until the colour changes from pink (pinkish red) to pure blue.7. Write down the position of the lower edge of the plunger.The magnesium concentration in mg/l (ppm) can be found from the table or with the formula:Mg=(1 - position of the lower edge of the plunger)*1500Wash the test vial thoroughly right after the test.Do not let the reagents or tested water get into the aquarium!