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| *Rinse each test tube a couple of times in the water to be tested to clear out any impurities and old water. | | *Rinse each test tube a couple of times in the water to be tested to clear out any impurities and old water. |
| *Fill each tube to the white mark (5 ml) with sample water, put the caps on the tubes so you don't spill the sample. | | *Fill each tube to the white mark (5 ml) with sample water, put the caps on the tubes so you don't spill the sample. |
− | *Holding the bottle of pH test reagent or the high range pH test reagent, as needed, upside down over the first tube, add 5 drops of reagent to the sample. I usually replace the cap and invert the tube over and over for about 30 seconds. Let it stand while you do the rest of the tests.
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− | *Holding the bottle of the ammonia test reagent number 1 over the second tube, add 8 drops of reagent to the sample. I usually replace the cap and invert the tube over and over for about 30 seconds. Then remove the cap and add 8 drops from the ammonia reagent number 2. I usually replace the cap and invert it over and over for another 30 seconds. Let it stand while you run the next two tests.
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− | *Holding the bottle of nitrite reagent upside down over the next tube, add 5 drops of reagent to the sample, replace the cap. I usually invert the tube over and over for about 30 seconds. Then let the sample stand while you run the last test.
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− | *Holding the bottle of nitrate reagent upside down over the last tube, add 10 drops of reagent to the sample. I usually replace the cap and invert the tube over and over for about a minute. Remove the cap and add 10 drops of nitrate reagent number 2 to the sample. This reagent is pretty thick, you'll need to squeeze the bottle a little harder. Replace the cap and invert the tube over and over for about a minute. Let this and the other samples for at least 5 minutes to allow the chemical reactions to complete.
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− | *While they are standing, I usually run the phosphate, GH, and KH tests.
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− | *Hold each sample tube next to the corresponding chart on the back of the instruction book that came with the kit one at a time and compare the sample color to the color chart. The one the closely matches color indicates the level of each sample.
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− | *pH will indicate pH level in the range of 6.0 to 7.6, the high range pH will indicate pH level in the range of 7.4 to 8.8. If your pH is in the range of 7.4 to 7.6, the two samples, if you run both, may not quite indicate the same pH. The chemistry may run different.
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− | *Ammonia (NH<sub>3</sub>, NH<sub>4</sub><sup+</sup>) test will indicate in the range of 0 to 8.0 ppm (mg/l). It should always indicate zero (yellow), or 0.25 at the most.
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− | *Nitrite (NO<sub>2</sub><sup-</sup>) test will indicate in the range of 0 to 5.0 ppm (mg/l). It should always indicate zero (blue).
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− | *Nitrate (NO<sub>3</sub><sup>-</sup>) test will indicate in the range of 0 to 160 ppm (mg/l). It should always indicate 20 ppm or less, preferably 10 or less. Up to 40 ppm indicates that it's time for a partial water change.
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− | *After testing, rinse out all the tubes several times with fresh water, replace them and all materials in the kit container. I usually store the tubes with about 5 ml fresh water to prevent mineral buildup due to drying out in the tubes. Keep the kit in a cool dark place.
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− | == See also ==
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− | *[[pH|pH]] here at The Aquarium Wiki
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− | *[[Ammonia|Ammonia]] here at The Aquarium Wiki
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− | *[[Nitrite|Nitrite]] here at The Aquarium Wiki
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− | *[[Nitrate|Nitrate]] here at The Aquarium Wiki
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− | *[[w:pH|pH]] at Wikipedia
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− | *[[w:Ammonia|Ammonia]] at Wikipedia
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− | *[[w:Nitrite|Nitrite]] at Wikipedia
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− | *[[w:Nitrate|Nitrate]] at Wikipedia
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− | == External links ==
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− | [https://apifishcare.com/product/freshwater-master-test-kit API Master Freshwater Test Kit at API Fishcare]
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− | [[Category: Articles]]
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− | [[Category: Products]]
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− | [[Category: Water chemistry]]
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