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Your test result will remain clear or appear slightly yellow, although phosphate may be present. If your test kit has not expired or has been open for more than 9-12 months, this is a clear indication that you have used the wrong side of the spoon. _x000D_ The small side of the spoon should only be levelly filled and is in the place normally used to hold it. For clarification, take a look at the picture below.
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._x000D_ _x000D_ Therefore, if the comparator block is not used, there will most likely be deviations in the readings.
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.
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.
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.
With the JBL PROAQUATEST drop tests you have a laboratory comparator system which compensates the inherent colouration of the water and at the same time enables non-chemists to carry out an accurate and safe water analysis. To ensure that water testing monitors the life of your fish and provides the greatest possible safety, you will find an evaluation adaptable to three different applications. _x000D_ _x000D_ Above the different coloured measuring points are numbers, three symbols and a colour band for each. _x000D_ _x000D_ The symbols stand for the following applications: _x000D_ Fish = freshwater _x000D_ Koi = garden pond _x000D_ Starfish = marine water _x000D_ _x000D_ The colour band tells you the meaning of the value determined in green (everything OK), yellow (attention) and red (need for action). In addition you will find numbers that reflect the value in mg/l for the respective colour field. _x000D_ _x000D_ The first two (freshwater and pond) colour bands belong to the upper number row. Marine water belongs to the lower number row. _x000D_ _x000D_ Why do the values differ? _x000D_ Due to the high salt concentration in marine water, the colouring of the reaction is not as intense as in freshwater (which also includes pond). Consequently, the value for the same colouration is greater than in freshwater _x000D_ _x000D_ Why do the recommendations differ? _x000D_ Every habitat reacts differently to certain nutrient concentrations. In the garden pond, for example, constantly changing temperatures and light intensity can jeopardise the value more than in freshwater, where, unlike in the pond, these factors are constant and necessary additives are supplied. That’s why the recommendations are green for one area of application, yet yellow for the other._x000D_ _x000D_
No, the drop tests JBL PROAQUATEST PO4 Phosphate Koi and JBL PROAQUATEST PO4 Phosphate Sensitive do not detect polyphosphates. Depending on the pH value, the polyphosphates decompose slowly in the aquarium. As soon as they have decomposed, the two tests can detect the phosphate inside.
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