- For quick and accurate measurement of pH, gH, and kH values
- Comb. Pond Test App
- Aqua Test Set
Only 2 available
With the Aqua Tests from Velda, the quality of pond and aquarium water can be determined quickly and accurately.
A useful tool for this is the Pond Test App for smartphone or tablet. After entering the values found, you get a clear pond diagnosis and improvement tips from Velda, tailored to your own pond situation. The test results are saved to gain insight into the development of the pond environment.
- pH Test measures the acidity of fresh and salt water using the color scale and comparator. A pH above 8.5 stagnates plant growth and a value below 7 is harmful to fish.
- GH Test measures the joint hardness of freshwater with an accuracy of 1 °DH. A GH value less than 8 °DH stagnates plant growth and can cause acidification especially in winter.
- KH Test measures the carbonate hardness of fresh and salt water with an accuracy of 1 °DH. A KH value less than 6 °DH indicates acidification and inhibits the growth of oxygen plants.
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