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Aquarium Shop: Aquarium Supplies Online, Aquarium 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 12.90€ to all EU countries.
    EU EU (12.90€ 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!

Aquarium Supplies new & Bestseller

energy efficient titanium heater
from 59.85 €*
SCHEGO PTC Titanium Heater
water conditioner for fighting fish tanks
10.49 €*
Dennerle Betta Water
protection anc care for fighting fish
11.85 €*
Dennerle Betta Care
smart & wireless pH controller kit
255.85 €*
EHEIM pHcontrol+e Set
You can discover more trending Aquarium Product Ideas here.

NEW ++++SCHEGO PTC Heater++++++++++ NEW EHEIM pHcontrol +e ++++++++++NEW Reef Factory Dosing Pumps++++++++++NEW FLUVAL Power External Filter FX2++++++++NEW JUWEL color Grey++++++ NEW Dennerle Plant Care ++++++ NEW Tetra external filters EX PLUS ++++++ NEW JBL Fish food range ProNovo +++

NEW ++++SCHEGO PTC Heater+++++

The new PTC aquarium heaters made of titanium tubing are particularly energy-efficient, as their output depends on the heat extraction. If a lot of heat is extracted from the heater, it readjusts its temperature independently and increases its output. As soon as it reaches its maximum temperature, the power decreases again and hardly any current flows. Available now in four power levels up to 600 W.
NEW ++++SCHEGO PTC Heater+++++

+++++ NEW EHEIM pHcontrol +e +++++

With the EHEIM pHcontrol+e you can easily monitor and optimize the pH in your aquarium via a smartphone, tablet, or PC/MAC simply via a WiFi connection and your web browser. The EHEIM pHcontrol+e is compatible with other smart devices of the EHEIM Digital family.
+++++ NEW EHEIM pHcontrol +e +++++

+++++NEW Reef Factory Dosing Pumps+++++

With Reef Factory's dosing pumps´, modern, reliable and smart dosing pumps are available to the aquarist. The pumps with one or more pump heads are capable of automatically dosing 0.01 ml to 1.0 l. The pumps have a WLAN module and can be configured and monitored at any time and from anywhere via smartphone or tablet.

+++++NEW Reef Factory Dosing Pumps+++++

+++++NEW FLUVAL Power External Filter FX2+++++

Fluval's popular FX series of external aquarium filters has been expanded to include the Fluval FX2. For aquariums up to 750 liters, the Fluval FX2 offers a huge filter volume and powerful filtration performance. At only 42 cm high, the filter fits under any aquarium and in almost any cabinet.
+++++NEW FLUVAL Power External Filter FX2+++++

+++NEW JUWEL color Grey+++

From now on the JUWEL models Lido 120, Lido 200, Rio 125, Rio 180 as well as Rio 240 are available in the decor color grey - modern, timeless & elegant.
+++NEW JUWEL color Grey+++

+++ NEW Dennerle Plant Care +++

The new plant care program contains all the experience of the aquatic plant specialist DENNERLE. The products are optimally coordinated and promote lush plant growth and magnificent colors. Healthy plant growth is the best basis for preventing algae problems in the aquarium.
+++ NEW Dennerle Plant Care +++

+++ NEW Tetra external filters EX PLUS +++

The new EX PLUS outdoor filter series from Tetra is now available in the Aquaristikshop. Four filter models for all common aquarium sizes from 100 to 600 liters are available. All models are supplied complete with filter material and installation accessories. The new Tetra EX PLUS external filters impress with up to 36% higher flow rates compared to the previous series, as well as greater efficiency and smoother running.
+++ NEW Tetra external filters EX PLUS +++

+++ NEW JBL Fish food range ProNovo +++

The species-appropriate care of their animals is a matter close to every pet owner's heart. Even ornamental fish are increasingly being fed species-specific diets. The times when aquarium fish are fed exclusively with universal flakes for all ornamental fish are over. A species-specific diet for the fish species kept not only ensures well-being, colorfulness and good growth, it also protects against disease. Optimal utilization of nutrients means that the aquarium water is less polluted, thus preventing undesirable algae growth. The protein-fat ratio, which is very important for the organism, is often not optimal, especially with very cheap fish food, so that organ fatty deposits can occur in the animals. With ProNovo, JBL is launching a new food series on the market which is specially adapted to the nutritional requirements of the individual fish species. -uniquely species-appropriate-
+++ NEW JBL Fish food range ProNovo +++


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

Seachem PurigenSeachem Purigen
filter medium with unparalleled capacity
13.49 €*
AQUAEL External Filter Multikani 800AQUAEL External Filter Multikani 800
multi-functional, modular external filter
59.85 €*
Fluval FX6 External Aquarium FilterFluval FX6 External Aquarium Filter
comfortable external filter for larger tanks
248.85 €*
Tropica Aquarium SoilTropica Aquarium Soil
complete, active aquarium gravel
19.85 €*
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.
15.85 €*
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.
15.85 €*
Sera Vipan Nature Staple Food 2x1000 mlSera Vipan Nature 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.
14.85 €*
JBL ProScan Multi Water-AnalysisJBL ProScan Multi Water-Analysis
With the JBL ProScan you can check your aquarium water using your smartphone.
17.49 €*
Easy-Life 25 Root Sticks -Root Fertilizer-Easy-Life 25 Root Sticks -Root Fertilizer-
5.85 €*
Aquatlantis Easy LED Control 2 PlusAquatlantis Easy LED Control 2 Plus
65.85 €*
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