Water test with analysis via smartphone for freshwater aquariums, ponds and tap/well water

  • Water analysis and diagnosis via smartphone: easy and safe monitoring of the water values in freshwater aquariums. Determination of: general hardness, carbonate hardness, pH value, nitrite, nitrate, chlorine and CO2 calculation
  • The new generation of water analysis: download ProScan app free of charge, insert test strip into water, position strip on colour chart for analysis, scan colour chart, values are determined
  • Fast diagnosis – precise results: test value results are displayed as numbers and additionally evaluated (good/medium/poor). Additional recommendations for optimal values in freshwater aquariums and ponds
  • Compatible with iPhone and iPad: requires iOS 13.0 or later, Android version 7.0 or higher, and a camera with auto focus.
  • Contents: 24 water analysis strips, 1 ProScan colour chart, 1 ProScan app for free download
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Recommended retail price incl. VAT
Available from your specialist dealer.
Dealer close to you
You can find this article at your specialist shop and online
Product information

Water analysis using your smartphone - the new generation

Note: The test strips are only intended for one measurement each. A repeated scan of the strip leads to different values, since the strip goes on reacting indefinitely.

During the analyses "Aquarium Freshwater" and "Water" the current CO2 content in the water is calculated as an additional bonus. Depending on the analysis results in the sections “Aquarium Freshwater” and “Garden Pond” individualised recommendations and hints are given as to which JBL products can help to set the ideal/optimal water values.

How accurate is this measurement method?
Since smartphones provide an automatic white balance, the colour reading is more accurate than if we compare colours with our eyes! If the test is performed correctly, the result is absolutely reliable. With the nitrite result, experience shows that an additional drop test measurement (with JBL PROAQUATEST NO2 Nitrite) is a good idea if the JBL ProScan result does NOT show 0, as this value needs to be 100% reliable (nitrite is fatally toxic for fish from 0.4 mg/l).

Possible errors during use:
When removing the test strip from the water, do not shake it vertically, as the wet colours will then run into the other colour fields. It needs to be drained off HORIZONALLY and carefully. Without dripping off, the drops on the colour fields reflect the light too strongly and lead to inaccurate results. Photographing the test strip on the colour chart should ideally be done in daylight. But even more important is that the incidence of light is uniform and does not show partial shadows and partial sunlight. If this were the case, the colours on the colour chart would be illuminated differently.

The JBL ProScan app is available in the following languages: de, en, fr, nl, es, it, pt, ru, cs, pl, tr and ja.



Art. no.:
EAN Code:
24 Tests
Volume packaging:
0.9 l
Gross weight:
115 g
Net weight:
13 g
Weight factor:
Packaging dimensions (l/h/w):
50/150/120 mm


Animal species: Terrapins, Tropical Terrapins, Turtles, Tetras, Barbels, Danionins, Livebearers, Cichlids - Small “Predators”, Cichlids - Algae Eaters, Cichlids - Large “Predators”, Labyrinth Fish, Goldfish, Veiltails, Catfish, Loaches, Blowfish, Spiny eels & Reedfish, Butterflyfish & Panchaxes, Killifish & Rainbowfish, Juvenile Fish, Silver arowana, Axolotl, Shrimps and dwarf crayfish, Discus fish, Crustaceans, Guppy, fighting fish, Flowerhorn cichlids, shrimps, cichlids: angelfish, discus, snails, molluscs
Animal size: For all animal sizes
Animal age group: All aquarium fish
Volume habitat: 24 tests
Colour: multicoloured
Dosage: Press the “start” button and immerse the analysis strip into the water for 2 to 3 seconds. Shake sideways to remove any adhering water. Position the analysis strip on the ColorChart and wait until the time displayed has expired. Using your smartphone compare the test strip with the complete ColorChart to receive the analysis results.

Electronic label / illuminant

Mercury: No
Dimmable: No
Socket designation: Press the “start” button and immerse the analysis strip into the water for 2 to 3 seconds. Shake sideways to remove any adhering water. Position the analysis strip on the ColorChart and wait until the time displayed has expired. Using your smartphone compare the test strip with the complete ColorChart to receive the analysis results.
Messung wiederholen - Fokussierung startet nicht sofort

Dass die Fokussierung des Bildes und damit die Messung des Testreifens auf der JBL PROSCAN COLORCARD nicht direkt nach dem Ablauf der 60 Sekunden startet, verschafft Ihnen Zeit, das Smartphone anzuheben und waagerecht zur COLORCARD mit korrektem Bildausschnitt zu positionieren. Würde die Messung direkt nach dem Ablauf starten, würden Sie bereits beim Anheben des Smartphones mit schräger Ausrichtung vor dem Körper die Erfassung vornehmen. Diese Verzerrungen sorgen für fehlerhafte Messwerte. Daher wurde ein 3 Sekunden Verzug seit der App Version 4.0 implementiert, der Ihnen zur korrekten Ausrichtung und stets richtigen Erfassung verhilft.

Durch das Tippen mit dem Finger aus das Display kann die Fokussierung auch nach den 3 Sekunden manuell erneut gestartet werden. Ein Wiederholen der Messung bzw. "zurück" ist an dieser Stelle unterbunden, da es ansonsten zu falschen Messwerten kommt. Die Messung muss innerhalb von 10 Sekunden nach Ablauf der 60 Sekunden durchgeführt werden. Ansonsten ist der Teststreifen unbrauchbar. In einem solchen Fall muss der Test mit einem neuen Teststreifen von vorne begonnen werden.

Sollte man die Blitz-Funktion der Smartphone-Kamera beim JBL PROSCAN aktivieren?

Die Blitz- und Taschenlampenfunktion sind innerhalb der JBL PROSCAN App deaktiviert. Für die präzise Durchführung des Tests mit exakten Ergebnissen, ist die gleichmäßige und schattenfreie Ausleuchtung unerlässlich. Punktelle Schatten oder Überbeleuchtungen sorgen für fehlerhafte Messergebnisse durch die sensiblen "Augen" der Smartphone-Kamera, die die Farbpunkte der JBL PROSCAN COLORCARD abgleicht. Ein tageslichtheller Raum oder die Messung unter freiem Himmel / am Fenster sorgen stets für das richtige Licht. Die Interpretation durch die Lichtstimmung und unterschiedliche Kameratypen übernimmt die COLORCARD. Künstliches Licht mit starker Färbung ist zu vermeiden.

Können Nutzer mit einer iOS Version unter 13.0 JBL PROSCAN weiterhin nutzen?

Ja, das ist problemlos möglich. Bitte deinstallieren Sie Ihre aktuelle App und laden im AppleStore die JBL PROSCAN App erneut herunter. Für alle Nutzer ab Version 13.0 wird ausschließlich die neue JBL PROSCAN Version 4.X angeboten. Für Nutzer älterer Versionen steht weiterhin die Version 3.X zum Download zu Verfügung. Eine Wartung und Pflege dieser Version wird nicht mehr vorgenommen. Die Nutzung der Kamera erfordert die aktuelle Version, um genauste Ergebnisse sicherzustellen.

Wie wird der Teststreifen korrekt auf der JBL PROSCAN COLORCARD ausgerichtet?

Auf der leeren JBL PROSCAN COLORCARD finden Sie graue Felder als Platzhalter, die anzeigen, wie der Teststreifen platziert werden soll. Die Hinweise Top und Button dienen als zusätzliche Orientierung. Seit der App Version 4.0 fängt die App Fehler bei der Ausrichtung ab. Auf allen Feldern darf, nach der Auflage des JBL PROSCAN Teststreifens, kein Grau von dem Platzhalter mehr zu erkennen sein. Es muss vollständig mit den Farbfeldern auf dem Teststreifen bedeckt sein.
Hintergrund ist die Methode der Farberfassung. Es zählt die Summe aller Farben auf einem Feld auf die Farberfassung ein. Deshalb muss das Grau vollständig bedeckt sein. Andernfalls kommt es zu fehlerhaften Ergebnissen.

Beispiel: Ein weißes Feld wird durch die graue Feldvorlage verdunkelt und erzeugt ein anderes Ergebnis. Überschüssiges Wasser und damit einhergehende Reflexionen können für einen ähnlichen Effekt sorgen. Jedes Feld muss feucht/trocken ohne Wasserflecken oder -pfützen sein. Dies können Sie durch die korrekte Anwendung mit seitlichem Abklopfen (nicht schütteln) und einem Blatt Küchenrolle als Unterlage (Reflexionen) vermeiden. Erhalten Sie eine Fehlermeldung beim Messvorgang, liegt es vermutlich daran, dass der Teststreifen schief auf der JBL PROSCAN COLORCARD aufliegt, sodass deutlich sichtbar das Grau hervorsticht.

How long can the test strips be used once they have been opened?

Test strips are sensitive to moisture. The reaction starts immediately on contact. Please only remove the number of test strips you need and immediately reseal the container. The container contains a desiccant to absorb the moisture from any air trapped inside. If the container is left open for some time, a reaction may already have occurred rendering the test strips unusable. The digital test strips for JBL PROSCAN are much more sensitive to the effects of moisture than the somewhat coarser scaled JBL PROAQUATEST EASY 7in1. Always store the test strips in a cool and dry place.

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Reference guide (Themeworld)

Reducing problematic water values

How to lower critical water values.


Recognising and treating fish and invertebrate diseases

Deficiency symptoms

Here’s how to prevent deficiency symptoms in fish and plants

Algae control

Here’s how to combat algae successfully and lastingly.

Testing water

Testing water – the most important step to understanding your aquarium. Why is water testing necessary?

Water change

The most important maintenance measures: the partial water change. How to carry out a partial water change correctly?

Plant care

What maintenance measures do your aquarium plants need?

Daily care

How much daily or weekly care is involved? What are the basic maintenance measures for your aquarium?

Fish breeding in aquariums

Would you also like to breed your fish? What do you have to consider when breeding?

Fish species

Which fish species suit your aquarium? What demands do the fish species have?

Invertebrate species

What invertebrate animals are suitable for your aquarium? What demands do invertebrates have? What do you need to consider for their care?


How to catch fish properly without causing them stress? How to transport and add fish?

Planning and stock

Which fish are compatible? What do you need to consider when selecting fish?

Water tests

What water tests are available? How do water tests work? How do you test properly?

Water values

Which water tests are important? How can you achieve perfect water values?


Which aquarium plants are best? What’s the best way to plant them?

Adding water

Here’s how to add water to your aquarium? Adding water without disturbing your aquarium made easy. Tips and tricks for adding water.

The right filter material

What sort of filter material to choose? What filter material solves which problems? How can you clean it? Where does it need to be positioned in the filter?

Biotope (habitat) aquarium types

A real piece of the Amazon or, with the Congo, a piece of the heart of Africa. A habitat (biotope) aquarium is a challenge. Can you emulate nature?

Aquascaping aquarium type JBL Dreamscape®

Mountains, valleys, meadows and fish! Create your dreamlike landscape under water with the Dreamscape® aquarium

Jungle aquarium type JBL Rio Pantanal®

A bit of jungle river in your living room. Lively underwater action! No problem with the JBL Rio Pantanal® aquarium

Rocky reef aquarium type JBL Malawi Rocks®

The fish of Lake Malawi are as colourful as the fish in the coral reefs. This aquarium brings a bit of freshwater reef into your living room

Goldfish aquarium type JBL Goldfish Paradise®

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Testing water

Water can look crystal clear and still contain a deadly poison such as arsenic. Unfortunately we are unable to assess the quality of the pond water by looking at it.

Seasonal maintenance

Which seasonal maintenance is needed? What do you need to remember when?

The water tests – all parameters

You don't always have to do all the tests, any more than your doctor will look in your ears when your knee hurts. In the following table you will find brief information about where a water test can help.

Algae species

Do you have green water or thread algae? We’ll give you long term solutions for algae problems

Pond fish diseases

Which diseases affect pond fish and how can you combat them?


Additional product information and downloads

safety instructions

  • safety instruction for accessories
    • Filename:
spare parts
Customer reviews


Overall rating: 4.7
23 public review(s) for this product.

1 Review


PRO SCAN - the best and easy test for your aquarium :) So simple and quick. In 60 seconds :)

22 more reviews in other languages

22 Reviews in other languages

s. birg - French

très facile à utiliser surtout avec les indications et produit à se servir pour réguler les taux plus ou moins élevés de l’eau

Dutch aquascaper - Dutch

Super fijn product. De testen zijn minder precies als druppel testen, maar geven een zeer goede indicatie. Waar je met druppel testen een avond bezig bent om alles in kaart te stellen, kun je met dit setje in 2 minuten een probleem opsporen.

langlang_shrimps langlang_design - German

Eine echt super Idee wie man das Wasser zwischendurch testen und sich schnell einen Überblick der Werte über die App holen kann.

Die App ist sehr übersichtlich und die Funktion jedes Aquarium einzeln anzulegen und den Verlauf speichern zu können finde ich super.

Ebenfalls erhält man durch jbl auch Informationen bzw Hilfe zu den einzelnen Werten was es vor allem Anfänger einfacher macht.

Aquarium_Zimmer - German

Ich habe die Neue JBL ProScan App seit mehreren Wochen in Benutzung und verwende sie um einen Überblick über die Wasserwerte in meinen Aquarien zu bekommen.

Die Neue App ist sehr gut gestaltet und erklärt sich von alleine.

Die Tests sind einfach durchzuführen und die Messwerte werden in der App auch bewertet, was besonders für Einsteiger hilfreich ist.

tropheus_italia - Italian

Ottimo test facili da usare grazie ad un ottima app per lo Smartphone, li consiglio a tutti gli appassionati!

aquarium.welt91 - German

Super einfacher und schneller Test.

Bin begeistert von dieser Art das Wasser zu testen. Es geht so schnell und einfach. Nur zu empfehlen!

aquaristik_4_life - German

Schon bevor es das ProScan gegeben hat ,habe ich mein Wasser (zur schnellen Kontrolle) mit den JBL Testreifen getestet. Nun durfte ich die neue ProScan App testen.

Ich bin sehr begeistert von den vielen neuen Funktionen, welche die App bietet. Auch bei Problemen wird man nicht im Stich gelassen und erhält umfangreichen Support von JBL. Macht weiter so!

Viele Grüße


(Schaut gerne auf meiner Instagram Seite vorbei :-))

aqua_becks - German

Die neueste Version ist Übersichtlich gestaltet, leicht verständlich beschrieben und schnell durchgeführt.

Ich nutze den Pro Scan vorallem dann wenn ich merke es stimmt was nicht nach der Filterreinigung oder beim 14 Tage Wasserwechsel.

Habe durch die App immer einen genauen Überblick und kann nachvollziehen was ich gemacht habe.

Absolute Empfehlung meinerseits!

Gewiss sind sie ein wenig teuere als die üblichen Teststreifen. Aber wenn man betrachtet was investiert wurde und wie sie sich entwickelt hat dann weis man wofür man den Preis eben zahlt.

a_jak_akwarium - Polish

JBL PROSCAN - It is the perfect solution for every aquarist. Easy, simple and quick method of taking aquarium tests. It is perfect for sudden failures in the aquarium. The test takes only 60 seconds. Thanks to a transparent and well-developed application, we get ready-made measurements with an explanation as a result.

Aquarium.by.bddnk - German

Ich durfte die neue App testen und ich finde die Funktionen wirklich gut in der App. Auf jeden Fall zu empfehlen, wenn man schnell einen Überblick seiner Werte haben möchte.

aquariumaquaristik - German

Ich benutze schon lange Zeit den JBL Proscan da es das Ablesen für mich der App am Smartphone leichter macht, des Weiteren bekomme ich durch die Apps Tipps wie ich handeln muss, wenn meine Wasserwerte nicht passen.

Durch das App-Update ist alles noch übersichtlicher geworden;).

Kann ich nur empfehlen.

marcs.jungle - German

Gut für die schnelle Kontrolle, wenn man nicht jeden Sonntag den ganzen Tag mit Tröpfchentests verbringen will. So muss man nur bei kritischen Werten aus der App mit Tröpfchentest nachtesten. Einzig der Chlorwert schwankt sehr stark von 0 bis 1,5 wenn man das gleiche Stäbchen abfotografiert, was nicht sein kann. Das kann aber an anderem Lichteinfall oder Tropfenbildung auf dem Test liegen. Alles in Allem ein gutes Mittel für die schnelle Kontrolle!

Comment from JBL:

Hallo Marc, danke für dein Feedback. Die Erklärung ist sehr einfach. Der Teststreifen muss nach 60 Sekunden direkt gescannt werden. Nach 70 Sekunden (also ein Zeitfenster von 10 Sekunden) sind die Werte bereits stark verändert. Ein wiederholtes Abscannen ist daher nicht möglich und technisch sehr erschwert.

cichlids_catalunya - Spanish

Después de testar este producto durante casi un mes y varios tests por semana he de decir que me ha decepcionado un poco, aunque no es muy exacto hay que decir que como valores orientativos es medianamente correcto. Los test de gotas son mucho mucho más exactos y son los que yo recomiendo para asegurar unos valores exactos. Pero vuelvo a repetir, para obtener valores orientativos que no exactos,sí es correcto.

ilnostroacquario - Italian

Super prodotto! Facile da usare, rapido (perchè in un minuto potrete vedere i Vostri parametri dell'acquario) e finalmente tradotto anche in italiano! Utilissima la funzione che tramite notifica, vi ricorda quando effettuare una nuova scansione. Le scansioni, resteranno in memoria sull'App , così da poterle confrontare con gli altri giorni.


S. Derks - Dutch

Super product! Gebruik het nu een tijdje en ideaal. Kost je 1 minuut en je weet de waardes

aquascaping.tv - German

Jeżeli nie masz pod ręką testów kropelkowych to można się tymi testami posłużyć. Nie są tak dokładne jak kropelkowe ale będziesz miał ogólny pogląd na parametry wody.

diskusmummy - German

Super für die Kontrolle zwischendurch. Ich habe 8 Aquarien und alle verwalte ich in der ProScanApp. Ist ein Wert im ProScan-Schnelltest auffällig, überprüfe ich diese mit einem Tröpfchentest.

Neben den Aquarien verwalte ich übrigens auch unser Leitungswasser, den Pool und den Teich in der App ;-)

K. Häusler - German

Tolles Produkt. Liefert schnell genaue Ergebnisse. Alles wird übersichtlich in der App präsentiert und bei Bedarf Lösungsvorschläge gemacht.

aquaboxx - German

Tolles Produkt! Schnelle und einfach Methode grob sein wasserwerte zu überprüfen. Und dann kann man alles in der App abspeichern und gucken wie sich seine wasserwerte über die Zeit entwickeln toll! Wie gesagt allerdings nicht ganz so genau wie Tröpfchen Tests (geht ja auch schlecht).

malawidortmund - German

Einfache Handhabung wie man es haben will und ist sehr Zeitgemäß dieses Produkt ! Werte Weichen leicht ab, da ist der große JBL Koffer mit den Tröpfchentest genauer, deshalb ein Punkt Abzug . Aber im allgemeinen echt super mit der App, alle Daten zu sichern und zu vergleichen ?? Es werden nach Hilfen und Produkte gesuchten in der App „Datenbank von JBL“, wenn es zu schlechten Werten kommt und drauf Abhilfe schaffen kann ??

J. Neumann - German

Ich finde diese Art der wassertests wirklich super. Man bekommt direkt angezeigt welche Werte nicht stimmen und Lösungsvorschläge zu den passenden Produkten empfohlen. Dieses Produkt will ich nicht mehr missen !

J. Halvardsson - Swedish

Really easy to use. But unnecessary expensive if u have more then 1 or 2 aquariums

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