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Fritz Alkalinity KH Test Kit

Fritz Alkalinity KH Test Kit

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$35.00
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$35.00
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Directions & Dosage

To remove childproof safety cap, push down while turning.

  1. Fill a clean test tube with 5 ml of water to be tested (to the line on the tube).
  2. Holding KH Reagent Solution dropper bottle upside down in a completely vertical position add one drop at a time. Cap the test tube and gently shake between drops. Ensure you count the drops as they are added.
  3. The test is complete when the water in the test tube, after having been gently shaken, turns from blue to yellow. If you have difficulty discerning the color after the first drop of test solution is added, remove the cap from the test tube and while holding it over a white background, look down through the tube.

The KH value is determined by the number of drops of reagent that must be added to turn the water in the test tube yellow. See conversion chart to determine KH.

Corrective actions:

To increase the KH of your water, add Fritz pH Higher. For a more significant KH increase for African cichlid systems, add Fritz Rift Lake Cichlid Buffer as needed. Fritz recommends a minimum of 4 dKH (80 ppm) for nitrification when using FritzZyme 7 or FritzZyme Turbo Start 700 bacteria. 

To decrease the KH of your water, add Fritz pH Lower, or perform partial water changes.