Magnificent plants thanks to a CO2 adapter

Now with free fertiliser pack

Profit with the #jbldeal from the free fertiliser pack worth €13,64 *

With this adapter you can easily retrofit your existing Dennerle CO2 system with disposable cylinders and from now on also use the JBL disposable CO2 cylinders PROFLORA u500, available throughout Europe. The adapter can be screwed on and your CO2 supply restored in just a few simple steps. For the love of your plants. It's as simple as that

Register your purchase of JBL PROFLORA ADAPT u Disposable on Dennerle to get your free fertiliser pack:

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Log in

Log in with your myJBL access data or create your new myJBL profile for free.

Register ADAPT

Register your JBL PROFLORA ADAPT u Disposable on Dennerle with valid proof of purchase if the product's purchase date is between 01 Nov 2019 and 31 Dec 2020.

Free fertiliser pack

Your product registration will be checked by a JBL employee. If all data is valid and within the promotional period, a free fertiliser pack consisting of 1x JBL PROFLORA Ferropol 100ml and 1x JBL PROFLORA Ferropol Root (30 pieces) will be sent to your home within 14 days after registration.

Register now and get your free fertiliser pack!

*) You can register your JBL PROFLORA ADAPT u Disposable on Dennerle with this promotion, if it was purchased between 01 Nov.2019 and 31 Dec 2020. Just follow the three steps, register the product and get your free fertiliser pack worth €13.64. Participation is possible for the following countries: Belgium, Bulgaria, Germany, Denmark, Estonia, Finland, France, Gibraltar, Greece, United Kingdom, Guadeloupe, Ireland, Italy, Croatia, Latvia, Lithuania, Luxembourg, Malta, Martinique, Mayotte, Netherlands, Poland, Portugal, Réunion, Romania, Sweden, Slovakia, Slovenia, Spain, Czech Republic, Hungary, Cyprus, Austria.

Background knowledge about CO2 in the aquarium

If you are interested in CO2 plant fertilisation, below you’ll find a lot of interesting topics about the technical components, the biological background and the application of the various CO2 products in the aquarium.

Water values

Water values

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

Water tests

Water tests

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

Fertilisation

Fertilising

Why do aquarium plants need to be fertilised?

CO2

CO2

Why is CO2 so important for plant care? What benefits does CO2 fertilisation provide?

Why do plants need a CO2 system in the aquarium? We will explain this in the following video:

JBL TV #1: Why do plants need a CO2 system in the aquarium?

In this video, biologist Heiko Blessin explains why plants need CO2 at all, why aquarium plants have different requirements and how to connect a JBL CO2 system. CO2 fertilisation for aquariums has never been explained more simply or more understandably!

Find out more

Measuring the CO2 Content With Drop Test (VIDEO)

This way of directly determining the CO2 content will help you to set the ideal bubble count on your CO2 system and to monitor the quantity you add.

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Components of a ProFlora CO2 System: The Right Setup

Below you will find an outline graphic with examples to explain the structure and interconnections of all the CO2 components.

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The story of liquid CO2 fertilisation

A lot of aquarists are talking about liquid CO2, which is said to be able to replace a conventional pressurized gas system or a bio-CO2 system.

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The CO2 comparison: without / with

Have you ever seen with your own eyes how big the difference between a plant aquarium with and without CO2 fertilisation really is?