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JBL KH Carbonate Hardness Test


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JBL KH Carbonate Hardness Test

Product Description

  • Recommended level for fresh water: 4-8° dKH.
  • 1 drop = 1° dKH.
  • Colour change from blue to yellow.
  • The number of used drops = level of carbonate hardness.
  • For this reason this test does NOT require a color scale.
  • The most important text in aquatics since the KH stabilizes the pH value.
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