Where can I find the record sheets for the documentation of my water analysis?
Have you lost your record sheets, already filled them all in or do you need them in another language?
With the following links you can quickly and easily print out your new record sheets with recommendations for the individual parameters at home and document the water analyses.
I have lost my colour chart. Can I download the colour chart for the test?
The colour cards are not available for download on the JBL website. The absolutely accurate colour reproduction that is required can only be achieved using a printer which can be re-calibrated before each printout. Most privately used printers are not accurate enough for this.
You will find the colour chart bundle as a spare part on the respective product page and in the spare parts shop under: https://www.jbl.de/en/products/detail/8732/jbl-proaquatest-assortiment-color-chart
Which of the three scales on the colour cards symbolize of the water tests saltwater, freshwater and garden pond ?
koi carp = garden pond
angel fish = saltwater
discus = freshwater
Which scale applies for my aquarium? My test has two or three control fields with fish and recommendations.
We repeatedly receive questions regarding the symbols on the water test. The hobby areas cannot be clearly assigned to the scales for analysis. There are three symbols to make the hobby areas on the colour charts clear:
Discus = fresh water
Emperor = salt water
Koi = garden pond
In the following, you will find a list which assigns the scale for analysing the results from measurements in the hobby area and explains the symbols: The scales are described from the top to the bottom here.
NO3: salt water, fresh water, garden pond
pH 6.0 – 7.6: fresh water, garden ponds
pH 7.4 – 9.0: salt water, fresh water, garden pond
Fe: fresh water, garden pond
The following JBL tests have a uniform scale for all 2 or 3 hobby areas for analysis of the results from the measurements, as differentiation is no longer necessary:
The instructions point out that the comparator block should be used to compare the colours. Can this be done without the comparator block as well ? Or is there a factor from this comparison that is required for the measurement ?
The colour charts are intended to be used with the comparator block. In addition, when the comparator block is used with the blank water sample, this compensates the inherent water colour.
Therefore, if the comparator block is not used, there will most likely be deviations in the readings.
What is the shelf life of the JBL pH Test 6.0-7.6 ?
The JBL pH test 6.0-7.6 has a shelf life of 3 years in the original sealed bottle.
The following is printed on the bottom of the packaging:
CH/B: 2567 (e.g.) = batch number
BBD: 12/13 (e.g.) = best-before date (month/year)
Please note that the best-before date does not apply for opened reagents. Exposure to atmospheric oxygen decreases the shelf life.
After use, the colour of the water sample changes from light green at the beginning (pH 6.4) to dark green / turquoise (6.8 – 7.0 within 10 minutes. Now to my question: When does the test show me my current pH level?
The pH indicator immediately reacts to the acid-base content in the water and should therefore be read right after shaking briefly. Later changes in colour indicate a changing pH level in the sample, e.g. as a result of CO₂ degassing.
Do my water tests still work although they have been open for nine months?
Basically a sealed test keeps longer than an open one. How much the shelf life is reduced depends crucially on the handling and the storage conditions of the reagents. It may happen that a reagent in a test that has been open for 9 months doesn’t indicate correctly any more. However, additional information is needed to answer this question properly.