Brand: JBL
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Healthy aquariums/ healthy pond with conditions close to nature
The right water values are dependent on the fish stock and the plants in the aquarium/pond. Even if the water looks clear it can be contaminated. With bad values diseases or algae can appear in the aquarium/pond. To maintain a healthy aquarium/pond with conditions close to nature it is important to check and adapt the water values regularly.

For each water analysis JBL provides water tests in the form of quick tests or colour change tests. These determine a certain value or several values in one go. With these water tests you can recognise algae problems and negative nitrate, nitrite, potassium, magnesium values etc.

Why test?
Copper is a heavy metal which, on the one hand, is essential as a trace element for plant and animal organisms. On the other hand, excessive concentrations can have a devastating effect as a cytotoxin. Copper usually enters the aquarium by means of heavy metals in tap water or by metal objects in the water. And it enters ponds via guttering made of copper alloys. Good water conditioners can bind the copper. But copper can also be useful to combat fish disease.

JBL Online Laboratory
Regular control for a healthy aquarium with conditions close to nature. Enter your water values into the JBL Online Laboratory and get a in-depth analysis of your values within seconds.

Recommended copper content:
In general copper should NOT be measurable in aquariums and ponds. Any measured copper content in freshwater and marine water could be deadly!
Only copper containing medications should contain a therapeutic dose of 0.3 mg/l and this needs to be set and then checked with the Cu test.

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.
deutsch: https://www.jbl.de/?lang=de&mod=files&func=show&id=11164
English: https://www.jbl.de/?lang=en&mod=files&func=show&id=11164
französisch: https://www.jbl.de/?lang=fr&mod=files&func=show&id=11164
niederländisch: https://www.jbl.de/?lang=nl&mod=files&func=show&id=11164

9789500 V05 PROAQUATEST Wasseranlayse PREVIEW.pdf

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

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

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 Copper Test ?

The JBL copper test has a shelf life of 3 years in the original sealed bottle.

The following is printed on the bottom of the packaging:

CH/B: 1120 (e.g.) = batch number
BBD: 05/13 (e.g.) = best-before date.

Please note that the best-before date does not apply for opened reagents. Exposure to atmospheric oxygen decreases the shelf life.

Show more FAQs ...

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:

SiO2
Cu
NH4
NO2
PO4
pH 3-10
O2

After the application of JBL Oodinol 1000 the copper test Cu doesn’t detect any copper in the aquarium. Why is this?

To answer this question some further information is required in order to detect any errors that may have occurred.

1) Are the reagents of the copper test still all right? (best-before date has not expired and it has not be opened longer than about 6 – 9 months.)

2) Has the medication expired? (The best-before date can be found on the bottom of the folding box or the bottle.)

If the answer to the first question is yes and the answer to the second question is no, then please do the following:

1) Fill a 10 l bucket with tap water.
2) Carry out a copper test. The value should be 0 mg/l.
3) Dose JBL Oodinol 1000, following the instructions.
4) Stir the water thoroughly.
5) Carry out a copper test again. The value should be 0.3 mg/l.
6) If the test changes its colour it means both products are all right and the copper will then precipitate in the aquarium.

Copper as a metal is exposed to various processes. These include, for instance:

The precipitation of barely soluble copper salts. The copper mostly accumulates in the filter media. A good remedy for this is to replace the filter media and then repeat the dosage.

Accumulation in the sediments. A good remedy for this is to carry out a substantial water change and suction off the sediment (use a gravel cleaner). Afterwards repeat the treatment according to the instructions.

Consumption by organisms, especially aquatic plants (copper is an essential trace element for aquatic plants), is not usually an issue with the usual medical dosage.

What can I do when the measured value of a water test falls outside the scale?

If one of your measurements reaches the end of the colour chart scale you can multiply the scale by diluting later tests with distilled water (e.g. JBL Dest).

Here’s how to do it: dilute the sample with distilled water and carry out the test once more.

This works in detail as follows:
GH test: Instead of 5 ml use 10 ml aquarium water. Now 1 drop is equivalent to 0.5 dGH.
KH test: Instead of 5 ml use 10 ml aquarium water. Now 1 drop is equivalent to 0.5 dGH.

Note: when using 10 ml sample water the colour development is weaker with the first drops than with 5 ml sample water. Put the measuring container on a white underlay for a better readability.

NH4/NH3 ammonium/ammonia, NO2 nitrite, Fe iron and Cu copper:
2.5 ml sample + 2.5 ml dist. water: result times 2
1 ml sample + 4 ml dist. water: result times 5
0.5 ml sample + 4.5 ml dist. water: result times 10

NO3 nitrate, SiO2 silicate, PO4 phosphate sensitive and Mg magnesium freshwater:
5 ml sample + 5 ml dist. water: result x 2
2 ml sample + 8 ml dist. water: result x 5
1 ml sample + 9 ml dist. water: result x 10

PO4 phosphate koi high range:
2.5 ml sample + 2.5 ml dist. water: result x 2
1 ml sample + 4 ml dist. water: result x 5

K potassium:
7.5 ml sample + 7.5 ml dist. water: result x 2
3 ml sample + 12 ml dist. water: result x 5
1.5 ml sample + 13.5 ml dist. water: result x 10

K potassium in marine water:
1. Fill 10 ml of sample water with distilled water to 300 ml.
2. Follow the instructions for fresh water.
3. Multiply the test result by a factor of 30.

CO2 direct, Ca calcium and Mg+Ca magnesium+calcium: not required.

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.

Misunderstandings – typical beginner mistakes

Based on our own experience in customer service and the many messages and questions we receive, we have put together the typical mistakes beginners may make. The experienced aquarist might well smile, but if they are honest, these are mistakes we all made at the start, aren’t they?

Animal species:	Arowana, Axolotl, Barbels, Bettas, Bichirs/reedfish, Blowfish, Catfish, Cichlids (South America), Corals, Crayfish, Danions, Discus, Dwarf shrimps, Flowerhorn, Gobies, Goldfish, Gouramis, Guppy, Juvenile fish, Killifish, Livebearers, Loaches, Mussels, Panchaxes, Rainbowfish, Snails, Spiny eels, Terrapins, Tetra, Tropical terrapin, Veiltails, Water turtles, freshwater butterflyfish
Animal size:	For all animal sizes
Animal age group:	All aquarium fish
Volume habitat:	50 tests
Material:	Reagent 1: butanedioic acid ammonium salt, diammonium decaborate, purified water. Reagent 2: ethyl alcohol, bis (cyclohexanone) oxaldihydrazone, purified water
Colour:	transparent
Dosage:	One level measuring spoon (about 20 g) raises the carbonate hardness of 100 l water by about 3.2 °dKH

Mercury:	No
Dimmable:	No

Mercury:	No
Dimmable:	No

Products & Shop

JBL Cu Copper Test Quick test to determine the copper content in freshwater/marine aquariums and in ponds

JBL Cu Copper Test Set

Properties

Electronic label / illuminant

JBL Cu Copper Reagent

Properties

Electronic label / illuminant

Misunderstandings – typical beginner mistakes

Time For A Change - Pros And Cons

How often do you need to test your pond or aquarium water?

Testing Water in the Jungle

Outline: Fertilisation in the Aquarium

Laboratory Comparator System to Compensate the Intrinsic Colour of the Water

Terraristik-Tierärzte informieren sich über JBL Wassertests

The JBL colour chart booklet now available

JBL and aquarium keepers help save the environment

Pond laboratory / calculator

Water Analysis Online Laboratory

Reducing problematic water values

Diseases

Deficiency symptoms

Testing water

Daily care

Fish breeding in aquariums

Invertebrate species

Marine water - the water

Water tests

Water values

Plants

Adding water

The right filter material

The marine aquarium

Biotope (habitat) aquarium types

Jungle aquarium type JBL Rio Pantanal®

Rocky reef aquarium type JBL Malawi Rocks®

Goldfish aquarium type JBL Goldfish Paradise®

Testing water

Fish care

The water tests – all parameters

Accidental poisoning

Aquascaping aquarium type JBL Dreamscape®

Instructions

JBL Cu Kupfer Test

assortment Test Colour Charts

Testlab empty + inserts

component set for water tests

Reviews

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safety information in accordance with GHS

Signal word: Warning

Hazard symbol

Risk phrase

safety note

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JBL Cu Copper Test
Quick test to determine the copper content in freshwater/marine aquariums and in ponds