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The JBL ProAqua Test KH Carbonate Hardness is an easy to use quick-test for determining the carbonate hardness or the antacid capacity of saltwater and freshwater. It corresponds thereby to 1 drop = 1 °dKH.
Why test? Depending on its origin, and often due to the nature of the subsoil, water can contain different amounts of various mineral salts. Most of the salts dissolved in it are alkaline earth and alkaline hydrogen carbonates. Together with carbonates and carbon dioxide (CO2), hydrogen carbonates form an important buffer system that prevents dangerously high pH fluctuations in water. The carbonate hardness (KH) measured provides the total concentration of hydrogen carbonate in the water and can therefore in rare cases (when alkali hydrogen carbonates are mainly present, e.g. in East African lakes) be higher than the general hardness, which only takes into account the alkaline earth salts. Most freshwater fish and plants in the aquarium can be kept successfully with a carbonate hardness of about 5-16 °dH. For an optimal CO2 fertilisation, however, the carbonate hardness should not be below 5 °dH. A carbonate hardness of at least 5 °dH should also be maintained in the garden pond. If there is a CO2 deficiency, aquatic plants and above all algae consume hydrogen carbonate (biogenic decalcification) through their rapid assimilation during photosynthesis and can thus drive the pH value to heights which are dangerous for fish (above 10). In marine water, a carbonate hardness of 7-13 °dH needs to be maintained for optimum pH buffering.
You can oder the complete test kit with coloure chart and test accessories or only the reagents at the refill kit.
Manual JBL ProAqua Test KH Carbonate HardnessPrecaution:
Signal world: Danger
Hazard statements:
H226 Flammable liquid and vapour.
H314 Causes severe skin burns and eye damage.
H318 Causes serious eye damage.
Precautionary statements:
P101 If medical advice is needed, have product container or label at hand.
P102 Keep out of reach of children.
P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower].
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P501 Dispose of contents/container in accordance with national regulations
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Reviews for JBL ProAqua Test KH Carbonate Hardness:
Write a reviewMiquel S. at 19.07.2021:
Todo está perfecto, gracias.Dimitris K. at 21.08.2020:
Πάρα πολύ καλό τεστ, γρήγορα αποτελέσματα και η τιμή καταπληκτική.Yura at 17.08.2020:
Классный тест.Точный!
Your question: JBL ProAqua Test KH Carbonate Hardness
- Miquel S. wrote about JBL ProAqua Test KH Carbonate Hardness in 2021:
Todo está perfecto, gracias.
Dimitris K. wrote about JBL ProAqua Test KH Carbonate Hardness in 2020:
Πάρα πολύ καλό τεστ, γρήγορα αποτελέσματα και η τιμή καταπληκτική.
Yura wrote about JBL ProAqua Test KH Carbonate Hardness in 2020:
Классный тест.Точный!
