JBL PROAQUATEST K Kalium
Item no. 2413000
Product features
- For perfect aquarium plant growth: determines the ideal potassium value to monitor the fertilisation of freshwater aquariums
- Quick test: fill cuvette with sample water, add reagents, fill cloudy sample water into special glass vial until underlying cross is no longer visible, read the quantity you have filled. This value is equivalent to the potassium content in mg/l
- Often too low a potassium content leads to stagnating plant growth, although all other factors such as CO2, iron and light are present. Fertilisers such as JBL Ferropol or JBL ProScape K Macroelements can increase the K content
- You will find detailed information and troubleshooting tips about water analysis on the JBL website in Essentials/Aquarium
- Package contents: 1 potassium test kit for approx. 25 measurements, incl. 2 reagents, special glass vial, syringe, dosing spoon and colour chart. Reagent refill separately available
Noch offene Fragen?
In unserem FAQ‑Bereich findet ihr Antworten auf die am häufigsten gestellten Fragen. Solltet ihr hier nicht fündig werden, zögert bitte nicht, uns direkt zu kontaktieren – wir helfen euch gerne weiter.
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Why doesn’t ProScape work on my mobile?
In order to determine the photometric measuring results accurately ProScan needs a camera with autofocus. This is the only way to determine the results with maximum precision. Not having one could prevent you from downloading the app from the store. Moreover the app requires the Android version 7.0 or higher or iOS 13.0 or higher. It is compatible with iPhone, iPad and iPod touch, as well as with 5100 Android smartphone and tablet types. If the download in the store doesn’t work, your mobile is probably incompatible with one of the above mentioned points. If there are any problems during use, e.g. with the scanning, please contact our customer service team: www.jbl.de/en/support .
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Why doesn’t the thermometer stick to the pane?
Please clean the pane thoroughly before you install the thermometer. Algae, biofilms and lime can prevent it from sticking. If the thermometer still doesn’t hold, there may be a problem with the suction cup. Due to a material defect some suction cups have bubble-like excrescences which prevent a correct hold. If you own such a suction cup, please contact our customer service, and provide a photo.
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My glass tube is broken. Is this also available as a spare part?
Yes, the dedicated potassium tube is available as a separate spare part under this name. The tube is also supplied with each test set.
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My nitrate test indicates measurement results which I can’t read or which are far too low.
The reason is often an incorrect use of the test. It is important to shake the test vigorously for precisely one minute. All the other important steps can be read in the instructions.
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When do I use JBL OxyPond?
JBL OxyPond is used to combat oxygen deficiency. Oxygen deficiency develops mainly during the winter under an ice cover, or during the summer in high temperatures. The oxygen content of water is temperature dependent. At a water temperature of 0°C the maximum oxygen content is 14.16 mg/l, whereas at a water temperature of 30°C it is only 7.53 mg/l.
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How can the JBL PROAQUATEST K potassium be used in marine water?
1. Fill 10 ml of sample water with distilled water to 300 ml. _x000D_ 2. Follow the instructions for fresh water. _x000D_ 3. Multiply the test result by a factor of 30.
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Why don’t the CO2 bubbles dissolve after reinstallation / cleaning?
After reinstallation the bubbles move only haltingly through the diffuser and sometimes merge into large bubbles. The device needs approx. 48 hours to set up! After that a bio-film will have formed on the surface of the device, allowing the bubbles to rise freely upwards. After the running in time the required bubble count will adapt itself for your aquarium.
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Unequal consumption of individual water test reagents
The liquids of one reagent are empty, the powder is still half-filled. Can't you just buy individual bottles? No, because the JBL refill packs always contain all the reagents as a set and need to be replaced together. There is a reason for this. The reagents age when they are first opened and should therefore be disposed of completely as soon as one of the reagent bottles is empty. The unequal consumption is due to the fact that some test procedures require an individual number of drops, depending on the existing value in the aquarium water. So one needs more, the other less. The liquids can be emptied completely. In the case of powder, you cannot use the quantity you need if there is only a residual amount left. Thus the quantity is on the generous side, so that the range is ensured even with low liquid consumption.
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Where can I find the record sheets for the documentation of my water analysis?
Have you lost your record sheets, used them all up, or need them in another language? _x000D_ In the appendix of this FAQ you will find PDF files for printing them out in German, English and French.
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