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Quick test to determine the acidity and pH stability in garden ponds.

  • Monitors the water values simply and reliably: determines the pH value and carbonate hardness in pond, tap and well water
  • Fill the measuring tubes with pond water, add 5 drops of reagent to each, swivel gently until the colouring stabilises, wait 1 minute, compare colouring on colour chart
  • The pH should be 7.5-8.5 and not fluctuate greatly. The KH stabilizes the pH and should be at least 4 ° dKH
  • You will find detailed information and troubleshooting tips about water analysis on the JBL website in Essentials/Pond
  • Package contents: quick test, pH and KH test incl. 2 measuring tubes, pH reagent, KH reagent, colour scale and instructions (refills sold separately) .

Healthy pond with conditions close to nature
The right water values are dependent on the fish stock and the plants in the pond. Even if the water looks clear it can be contaminated. With bad values diseases or algae can appear in the pond. To maintain a healthy pond with conditions close to nature it is important to check and adapt the water values regularly.

For each water analysis JBL provides water tests in the form of quick tests or colour change tests. These determine a certain value or several values in one go. With these water tests you can recognise algae problems and negative nitrate, nitrite, potassium, phosphate values etc.

Why is testing needed?
The well-being of pond dwellers and the growth of aquatic plants depend to a large extent on the pH level being kept as constant as possible. Many substances dissolved in water are also liable to changes caused by the pH level. Fluctuations in the pH level, in particular, ought to be avoided.

Carbonate hardness (KH) indicates the sum of carbonates (HCO3) and hydrogen carbonates (HCO3)2. These minerals can bind acids and bases and thus stabilise the pH value in the desired range. With KH values below 4 °dKH, the pH value is not stable and fluctuates greatly between 6 and 12. These strong fluctuations affect all organisms in the pond!  

Recommended values:
pH value in ponds: 7.5-8.5
Carbonate hardness (KH): at least 4 °dKH


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