JBL Catappa XL
Tropical almond leaves for freshwater aquariums

  • Caring for fish and invertebrates in freshwater aquariums with conditions close to natural living environment
  • Natural effect of tropical almond leaves: promotes well-being, vitality and spawning readiness
  • Natural water conditioner and protection for mucous membrane, comes from the natural habitat of our aquarium dwellers. Promotes well-being, vitality and spawning readiness. Tanning agents have a compressing effect on the mucous membrane and prevent diseases.
  • Harvested from the tree, cleaned, smoothed and sun-dried
  • Contents: 1 package Catappa XL, 10 leaves, about 23 cm long. To use: 1 leave/50 – 100 l water: active substances are completely released after 1 – 3 weeks
Find out more
Price: 15,04 €
Recommended retail price incl. VAT
You can find this item in your specialist and online shop
Product information

Nature at Home – Home for fish and plants
Fish and invertebrates need to feel as much at home in the aquarium as in the wild Transform your aquarium water into biotope-like water to protect your aquarium dwellers. Clean water – optimal water quality. The natural ingredients of the tropical almond leaves (Catappa) have quite a lot of positive properties for aquarium dwellers, tanning agents amongst others. After 1-2 days the leaves sink to the bottom. After 1-3 week the active substances have been completely released. Then a new leaf can be added. Older leaves can be removed or they can stay in the aquarium as additional feed for sucker catfish and shrimps. Keeps permanently when stored dry.


JBL Catappa XL

Art. no.:
EAN Code:
10 piece(s)
1000 l
Volume packaging:
1.48 l
Gross weight:
74 g
Net weight:
26 g
Weight factor:
Packaging dimensions (l/h/w):
30/290/170 mm


Animal species: Armored catfish, Arowana, Axolotl, Barbels, Bettas, Bichirs/reedfish, Blowfish, Catfish, Cichlids (South America), Clawed frogs, Clawed shrimps, Crayfish, Crustaceans, Danions, Discus, Dwarf crayfish, Dwarf shrimps, Flowerhorn, Gill maggots, Goldfish, Gouramis, Guppy, Juvenile fish, Killifish, Livebearers, Loaches, Mussels, Newts, Panchaxes, Rainbowfish, Snails, Spiny eels, Tetra, Veiltails, blood parrot cichlids, freshwater butterflyfish
Animal size: For all animal sizes
Animal age group: All aquarium fish
Volume habitat: 1,000 L
Colour: brown
Dosage: 1 leaf per 50 - 100 l water

Electronic label / illuminant

Mercury: No
Dimmable: No
When should Catappa leaves be re-dosed?

The effect of JBL Catappa XL and Nano-Catappa unfolds completely after 1-3 weeks. Shrimps and catfish in particular also like to use the leaf as a food source and nibble at it. Once the leaf is a mere skeleton to the eye, it needs to be removed and re-dosed.

Blog (opinions & experiences)

PRONOVO World Tour - Visiting the armored catfish in South America

Armored catfish are among the most popular fish in our aquariums. Beginners in particular like these small, lively bottom dwellers in their community aquariums. But what species are there and where do they live? Let's take a closer look at this topic.

Find out more

JBL TV #59 Biotope Aquaristics - The fascination of natural underwater worlds with Heiko Bleher

It’s hard to find anything more exciting than biotope aquaristics – recreating the real habitats of our aquarium fish. But what exactly is biotope aquaristics and what do we need to know before recreating a biotope?

Find out more

JBL TV #17: Water Treatment - Recording of the Livestream

Water treatment is explained in detail with examples and small experiments. The biologist Heiko Blessin shows how a water conditioner works in terms understandable to non-chemists.

Find out more

Biotope Aquatics Part 2: Mexico, Upper Candelaria River near the Sandbank

The cichlid pair with juvenile fish in the middle is going to be the first thing you notice, of course, but after a while you’ll see that this aquarium looks like a piece of nature.

Find out more

Biotope Aquatics Part 1: South America, a Tributary of the Rio Negro near Barcelos

I must admit that when I first looked at the aquarium photos, I was not sure if it was an underwater photo of the area or an aquarium.

Find out more

Lack of oxygen in the morning

The fish stay under the water surface in the morning, gasping for air.

Find out more

Biotope Aquatics: How authentic are the aquariums really?

Are you familiar with biotope aquatics? If not, you’re missing out on the most sophisticated aquatic discipline!

Find out more

Outline: Fertilisation in the Aquarium

The JBL plant care concept leads to vigorous and healthy growth even with the most demanding aquatic plants. JBL has all the components you need, whether it’s a fertiliser, a bottom substrate or a fully automatic CO2 fertiliser system.

Find out more

Care products - The best solutions for your aquarium

With the right products, aquarium care is not only easy, but can also be a lot of fun! The formulas that make up JBL products are based on intensive research and, especially with care products, their effects are not always immediately visible, yet in the medium and long-term they’ll result in a beautiful aquarium and healthy fish.

Find out more
Laboratories and calculators

Online Hospital

Do you have ill fish and you don’t know what disease it is and how to treat it? Here you can diagnose diseases using photos or identification keys and you can find out where they come from and how to treat them. By showing you over 500 photos to identify and cure fish diseases, we enable you to find a diagnosis and solution.

Water Analysis Online Laboratory

Enter your water parameters and get an in-depth analysis of your values in a matter of seconds. You enter your water values – and we analyse! Here you have the opportunity to enter the measured water values directly into the JBL Online Laboratory. This will analyse your values and explain and submit corrective measures.
Reference guide (Themeworld)


Recognising and treating fish and invertebrate diseases

Deficiency symptoms

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

Daily care

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

Invertebrate species

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

Planning and stock

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

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?

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®

Lively goldfish in the aquarium enhance any room perfectly! Invite some new flatmates into your home with this goldfish aquarium.

Aquascaping aquarium type JBL Dreamscape®

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


safety instructions

  • safety instruction for water conditioners
    • Filename:
Customer reviews


Overall rating: 5.0
15 public review(s) for this product.

0 Reviews

15 more reviews in other languages

15 Reviews in other languages

S. Tejera Galindo - Spanish

Las uso en mi gambario y a mis gambas neocaridinas les encanta

S. Kübler - German

Sehr große stabile Blätter die dem Wasser wichtige Huminstoffe zugeben. Fördern die Laichbereitschaft und wirken sich positiv auf die Wasserwerte aus. Noch dazu ein super Langzeitfutter für Garnelen und Welse. Klare Kaufempfehlung.

aqua_mtc - German

Schöne, stabile Blätter. Geben dem Aquariumwasser wichtige Huminstoffe und eine schöne Farbe.

Discus.forest - German

Nutze diese Seemandelbaumblätter im Aufzucht Becken. Die Blätter haben eine sehr gute Qualität.

shrimpscapes_ - German

Meine Garnelen sind ganz verrückt nach diesen unscheinbaren Blättern. Super Langzeitfutter und nebenbei wirken sie sich auch noch super auf die Wasserwerte aus. Klare Kaufempfehlung!

M. Kaltschmitt - German

Ein musthave für jeden Aquarianer

Ich liebe die Blätter tolle Größe und preis Leistung stimmt 😊

LadyDiscus - Polish

my aquarium looks beautiful, arrangement in the style of the Amazon 🤎

diskusowner - German

Meine Garnelen lieben diesen Blätter. Als schönes nebenergebnis wirken sich diese noch positiv auf die Wasserwerte aus.

aquascaping.tv - German

Do akwarium z rybami czarnych wód idealny dodatek.Dodatkowo świetnie wspomaga walkę z glonami.

tangelo.shrimps - German

Die Garnelen liebe es. Die Garnelen fressen es über einen Zeitraum von 10 Tagen oder länger, bis sich das Blatt vollständig aufgelöst hat.

Der_Egger - German

Meine Garnelen im Aquarium zerlegen diese Blätter förmlich.

Nachdem die Blätter ins Wasser kommen, dauert das vielleicht 3 Tage bis von den Blättern bis auf das Gerippe nichts mehr zu sehen ist.

Von der Größe her, sind diese Blätter einfach perfekt.

Die freigesetzten Huminstoffe tun ihr übriges für das Tierwohl.

exotic_hive - German

Absolut pflicht in all meinen Becken! Es ist schwer, große und heile Blätter zu erhalten, hier habe ich bisher immer beste Ware erhalten! Vor allem ein gutes Preis-Leistungsverhältnis

SauerlaenderWelskeller - German

Zur Eingewöhnung bei neuen Tieren im Quarantäne Aquarium kaum wegzudenken!

Wir sind der SauerlaenderWelskeller und betreiben eine kleine aber feine L- Welszucht mit vielen verschiedenen, auch seltenen L- Welsen wie z.B. dem L46 oder dem L333, L236, L354, L600 usw.

Wir benutzen die Catappa XL Seemandelbaumblätter im Quarantänebecken wenn wir z.B. neue Welse eingewöhnen. Neue Tiere, besonders Wildfänge sind sehr anfällig für Krankheiten. Die Catappa XL Seemandelbaumblätter halten die Keimdichte im Quarantänebecken niedrig und stärken das Wohlbefinden der Tiere. Nach ein paar Tagen gehen sie unter und die Tiere können sich zusätzlich auch von ihnen ernähren.

Ich kann sie daher wärmstens weiterempfehlen!

unikatbetta - German

Für meine Zucht ist es absolut wichtig das Seemandelbaumblätter absolut frei von Pilzen, Pestiziden und Bakterien sind deshalb benutze ich dafür nur die JBL Catappa XL Blätter, hatte auch schon andere Seemandelbaumblätter aber die waren sehr oft so belastet das Die Seemnadelbaumblätter sind ein Muss für jeden Kampffisch und Garnelen Halter aber auch für schwache und kranke Tiere, die in Quarantäne müssen, immer eine tolle Zusatz Hilfe.

diskusmummy - German

Super Qualität und optimale Größe für große Aquarien. Seemandelbaumblätter sind nicht nur eine super Naturdeko sondern geben auch wichtige, antibakterielle Huminstoffe ab. Für mich ein Musthave im Südamerika-Aquarium.

Ich habe auf 1000 Liter ca. 12 Blätter bis sie von den Garnelen zerlegt werden.

A word about cookies before we continue

The JBL Homepage also uses several types of cookies to provide you with full functionality and many services: We require technical and functional cookies to ensure that everything works when you visit this website. We also use cookies for marketing purposes. This ensures that we recognise you when you visit our extensive site again, that we can measure the success of our campaigns and that the personalisation cookies allow us to address you individually and directly, adapted to your needs - even outside our website. You can determine at any time - even at a later date - which cookies you allow and which you do not allow (more on this under "Change settings").

The JBL website uses several types of cookies to provide you with full functionality and many services: Technical and functional cookies are absolutely necessary so that everything works when you visit this website. In addition, we use cookies for marketing purposes. You can determine at any time - even at a later date - which cookies you allow and which you do not (more on this under "Change settings").

Our data protection declaration tells you how we process personal data and what purposes we use the data processing for. tells you how we process personal data and what purposes we use the data processing for. Please confirm the use of all cookies by clicking "Accept" - and you're on your way.

Are you over 16 years old? Then confirm the use of all cookies with "Noticed" and you are ready to go.

Choose your cookie settings

Technical and functional cookies, so that everything works when you visit our website.
Marketing cookies, so that we recognize you on our pages and can measure the success of our campaigns.
I accept the YouTube Terms of Service and confirm that I have read and understood the YouTube Terms of Service .

PUSH messages from JBL

What are PUSH messages? As part of the W3C standard, web notifications define an API for end-user notifications that are sent to the user's desktop and/or mobile devices via the browser. Notifications appear on the end devices as they are familiar to the end user from apps installed on the device (e.g. emails). Notifications appear on the end user’s device, just like an app (e.g. for emails) installed on the device.

These notifications enable a website operator to contact its users whenever they have a browser open - it doesn’t matter whether the user is currently visiting the website or not.

To be able to send web push notifications, all you need is a website with a web push code installed. This allows brands without apps to take advantage of many of the benefits of push notifications (personalised real-time communications at just the right moment).

Web notifications are part of the W3C standard and define an API for end user notifications. A notification makes it possible to inform the user about an event, such as a new blog post, outside the context of a website.

JBL GmbH & Co. KG provides this service free of charge, and it is easy to activate or deactivate.