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Aquarium Shop: Aquarium Supplies Online & Equipment - HAPPY DISKUS!

Buy Aquarium Supplies, Aquarium Equipment & Accessories for your freshwater or saltwater fish tank online.
Aquarium Online Shop with 150,000 customers worldwide!

  • Shipping costs start from 10.90€ to all EU countries.
    EU (10.90€ shipping costs, 120,000 customers ↑)

  • Located in Germany we are one of the biggest Aquarium Online Stores in Europe.

  • Quality brands like EHEIM EHEIM, Fluval Fluval, JBL JBL, Dennerle Dennerle & many more. Best prices!

  • Freshwater & Saltwater. LED Lighting.

  • 20 years experience, fast delivery: HAPPY-DISKUS Aquaristikshop

We are located in Germany and supply online aquarium products like Aquarium Equipment, Filters, LED Lighting and many other quality products from the leading brands: EHEIM, Fluval, JBL and many more. Our online shop has just everything for your freshwater or saltwater aquarium!

+++NEW EHEIM waterrefill -intelligent refill system-+++NEW Fluval external filters 07 series++++++new available and much more better JBL ProAqua Water Tests++++++Tetra Medica new medications++++++NEW Tropical GEL Formula+++

+++NEW EHEIM waterrefill -intelligent refill system-

With the new EHEIM automatic refill system -waterrefill- you can easily automate the water compensation in your freshwater or saltwater aquarium. The inteligent system automatically refills evaporated water in the aquarium. The optical sensor is attached to the outside of the aquarium glass. The controller remembers the filling quantity and filling times and adapts the water quantity to the size of the aquarium as well as (e.g. seasonal) changes. With the standby function, the water change can take place in such a way that the system is not confused.
+++NEW EHEIM waterrefill -intelligent refill system-

+++NEW Fluval external filters 07 series+++

The Fluval 07 series introduces four new external filters for aquariums from 40 up to 500 l capacity. Compared to the previous models, the new filters are up to 25% quieter in operation, energy-saving and extremely convenient. Many detail improvements make the new Fluval 07 external filters a good choice for every aquarist. The Fluval 07 series filters were developed and are produced in Europe.
+++NEW Fluval external filters 07 series+++

+++new available and much more better JBL ProAqua Water Tests+++

Knowing the water values of the aquarium water is an important step towards a successful aquarium. This is the only way to react in time if something gets out of balance. The users appreciate the easy handling and exact results of the JBL water tests. Now the tests have been revised and partly newly developed. The NO³ test is now even easier to handle and shows more accurate values. All tests now contain syringes for easy removal of the correct amount of water. All JBL single tests, the test cases and of course the refill sets are now available in the Aquaristikshop.
+++new available and much more better JBL ProAqua Water Tests+++

+++Tetra Medica new medications+++

Ideally, aquarists can detect the most common diseases in freshwater ornamental fish. Because only by earliest possible diagnosis and treatment is a good cure possible. From Tetra Medica there are 5 effective medicines against most diseases in ornamental fish in the Aquarium available.
+++Tetra Medica new medications+++

+++NEW Tropical GEL Formula+++

Tropical GEL Formula is Tropical's first do-it-yourself food. Depending on your preference floating or sinking food for your fishes can be produced. There are no Limits for your phantasie. If, for example, in the manufacture a small thread with poured in, the feed block can be hung later in the tank and the fishes wonderfully can be watched while eating.
+++NEW Tropical GEL Formula+++

New articles

LED Aquarium Lighting

The switch to LED Lighting can save energy and cash. You can simulate sunrises and sunsets in your aquarium with high efficiency LED bulbs or you can change the color spectrum of your aquarium lighting.
We offer a wide range of quality products for LED Aquarium Lighting like LED bulbs, accessories and LED controlling.

Top articles

JBL Ferropol Refill PackJBL Ferropol Refill Pack
enviromentally friendly refill pack of the well known fertilizer
11.85 €*
EHEIM External Filter professionel 3 1200 XLEHEIM External Filter professionel 3 1200 XL
the power filter for large aquariums
329.95 €*
Aquatlantis Luminus LED ControllerAquatlantis Luminus LED Controller
2 channel controller for the Aquatlantis LED
99.95 €*
EHEIM professionel 4+ 600EHEIM professionel 4+ 600
Ready to use premium aquarium filter with Xtender (emergency button) for aquariums from 240 to 600 l.
213.95 €*
Tetra Min Staple Food 2x1000 mlTetra Min Staple Food 2x1000 ml
special offer: 2x TetraMin 1000 ml. Tetra Min is the mostly buyed aquarium fish food in Germany since many years. Feeding all your aquarium fish with Tetra Min. For a good growth and fantastic colors.
14.95 €*
Tetra AquaSafe Water Conditioner 2x500 mlTetra AquaSafe Water Conditioner 2x500 ml
special offer: 2x Tetra AquaSafe 500 ml. Tetra AquaSafe is the unique water care and helpful for any water change or durin new setup of an aquarium. Tetra AquaSafe binds harmful substances and makes tap water to aquarium water.
14.95 €*
Sera vipan Staple Food 2x1000 mlSera vipan Staple Food 2x1000 ml
special offer: 2x sera vipan 1000 ml. sera vipan staple food for all ornamental fish. sera vipan contains carefully selected ingredients with prebiotic effect enhance health and liveliness.
12.99 €*
JBL ProScan Multi Water-AnalysisJBL ProScan Multi Water-Analysis
With the JBL ProScan you can check your aquarium water using your smartphone.
17.99 €*
Easy-Life 25 Root Sticks -Root Fertilizer-Easy-Life 25 Root Sticks -Root Fertilizer-
5.95 €*
Aquatlantis Easy LED Control 2 PlusAquatlantis Easy LED Control 2 Plus
61.95 €*