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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 0.00€ to all EU countries.
    EU EU (0.00€ 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

  • App controlled heater
  • connection via NFC
  • temperature range: 15-35°C
from 34.85 €*
SICCE Scuba Contactless NFC Heater
external filter with heater and APP control
595.00 €*
AQUAEL External Filter Hypermax Link
  • powerful UV clarifier for FX filters
  • with adapters suitable for all external filters
  • for aquariums up to 1500 litres
149.00 €*
Fluval FX UVC In-Line Clarifier
  • replacement sponge for Tetra EasyCrystal
  • active carbon filter cartridge
  • for regularly replacement
from 8.85 €*
Tetra EasyCrystal FilterPack C

  • removes filmy skin and plant residues
  • for aquariums 20 up to 500 L
  • low energy consumption
17.85 €*
AQUAEL SAS 500 Surface Skimmer
  • different sizes
  • transparent glued
  • with or without glass cover
from 18.85 €*
Nano Glass Tank
Staple food for small ornamental fish
4.95 €*
Dennerle Neon & Co Booster
  • biological high efficency filter medium
  • huge surface area for bacteria
  • ensures the best water conditions
from 21.85 €*
Fluval BIO-FX -Bio Filtermedium-
You can discover more trending Aquarium Product Ideas here.

++++NEW - Fluval FX UVC Water Clarifier++++++++NEW - Dennerle Bio Carbo++++++++NEW - Tetra LightWave LED++++++++NEW - AQUAEL Hypermax Link++++++++NEW - Tropical Insect Menu++++NEW ++++SCHEGO PTC Heater++++++++++ NEW EHEIM pHcontrol +e ++++++++++NEW FLUVAL Power External Filter FX2+++++

++++NEW - Fluval FX UVC Water Clarifier++++

The new Fluval UV water clarifier for aquariums up to 1500 l is now available for order. It is ideally suited for the Fluval FX filters, but with the enclosed adapters it is also perfectly suited for all other external filters.

++++NEW - Fluval FX UVC Water Clarifier++++

++++NEW - Dennerle Bio Carbo++++

Now available in the Aquaristikshop: the new bio-CO2 systems from Dennerle. Extremely simple installation and handling. At least 40 days of CO2 for magnificent plant growth and a better climate in the aquarium, completely without pressurised gas cylinders.
++++NEW - Dennerle Bio Carbo++++

++++NEW - Tetra LightWave LED++++

With the Tetra LightWave LED, any aquarium can be upgraded to modern, energy-saving lighting. The LED bulbs are available in different lengths and each bulb comes with a T5/T8 adapter and power supply. The power supply can be used to extend the lighting with a second LED of the same length.
++++NEW - Tetra LightWave LED++++

++++NEW - AQUAEL Hypermax Link++++

AQUAEL Hypermax Link is the new convenient power filter for aquariums from 200 to 1500 litres with integrated heater and APP control via smartphone or tablet. The AQUAEL Hypermax Link stands out for its ease of use, long service life, huge filter volume and low energy consumption.

++++NEW - AQUAEL Hypermax Link++++

++++NEW - Tropical Insect Menu++++

Tropical Fishfood with 45% insects based on hermetia, silkworms and mealworms. Now available as flakes, S-Granules and XXS-Granules in the Aquaristikshop. The granules are also ideal for use in automatic feeders.
++++NEW - Tropical Insect Menu++++

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 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+++++


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
49.85 €*
Fluval FX6 External Aquarium FilterFluval FX6 External Aquarium Filter
comfortable external filter for larger tanks
278.85 €*
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.
18.49 €*
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
69.95 €*
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