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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 (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, Fluval, JBL, 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

SICCE Scuba Contactless NFC Heater

App controlled heater
connection via NFC
temperature range: 15-35°C

from 34.85 €*

AQUAEL External Filter Hypermax Link

external filter with heater and APP control

595.00 €*

Fluval FX UVC In-Line Clarifier

powerful UV clarifier for FX filters
with adapters suitable for all external filters
for aquariums up to 1500 litres

149.00 €*

Tetra EasyCrystal FilterPack C

replacement sponge for Tetra EasyCrystal
active carbon filter cartridge
for regularly replacement

from 8.85 €*

2 Reviews

AQUAEL SAS 500 Surface Skimmer

removes filmy skin and plant residues
for aquariums 20 up to 500 L
low energy consumption

17.85 €*

Nano Glass Tank

different sizes
transparent glued
with or without glass cover

from 18.85 €*

Dennerle Neon & Co Booster

Staple food for small ornamental fish

4.95 €*

4 Reviews

Fluval BIO-FX -Bio Filtermedium-

biological high efficency filter medium
huge surface area for bacteria
ensures the best water conditions

from 21.85 €*

1 Review

You can discover more trending Aquarium Product Ideas here.

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

+++++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+++++

NEW!

‹

57.85 €*

AQUAEL Flow Heater 2.0 300W -Through-Flow Heater-
intelligent heater for aquariums up to 600 L heater for outside the aquarium One-Touch-System
from 34.85 €*

SICCE Scuba Contactless NFC Heater
App controlled heater connection via NFC temperature range: 15-35°C
from 11.85 €*

Tetra EasyCrystal FilterPack A 250/300
replacement sponge for Tetra EasyCrystal with anti-algae ingredient for regularly replacement
from 8.85 €*

Tetra EasyCrystal FilterPack C
replacement sponge for Tetra EasyCrystal active carbon filter cartridge for regularly replacement
from 4.89 €*

Tetra FF Fine filter fleece for EX external filter
Filter pads for the EX external filter for regularly replacement remove fine particles
from 7.85 €*

Tetra BF Biological foam for EX external filter
Filter pads for the EX external filter for regularly replacement for the biological filtration
from 599.00 €*

AQUAEL UltraScape SET 90
90 cm scaping combination with LED white glass aquarium 2 decorative coloures
from 21.85 €*

Fluval BIO-FX -Bio Filtermedium-
biological high efficency filter medium huge surface area for bacteria ensures the best water conditions
99.85 €*

Aqua Medic Refill System easy
Refill system with pump and sensor
149.85 €*

EHEIM classicLEDcontrol+e Wireless LED Controller
wireless controller for EHEIM classic LED
17.85 €*

AQUAEL SAS 500 Surface Skimmer
removes filmy skin and plant residues for aquariums 20 up to 500 L low energy consumption
149.00 €*

Fluval FX UVC In-Line Clarifier
powerful UV clarifier for FX filters with adapters suitable for all external filters for aquariums up to 1500 litres
149.85 €*

Milwaukee digital ORP Controller MC510
digital ORP measuring and control unit
89.99 €*

Milwaukee digital pH Monitor MC120
laboratory quality pH meter
from 18.85 €*

Nano Glass Tank
different sizes transparent glued with or without glass cover
139.85 €*

Milwaukee digital pH Controller MC122
digital pH measuring and control unit
69.85 €*

Aqua Medic X-Flow 3000 -Aquarium Cooler-
highly efficient tangential fan
65.85 €*

Dennerle CO2 Set Carbo Bio Style 120
for aquariums up to approx. 120 litres
14.85 €*

Dennerle Carbo Bio Depot 60/80
refill set for BIO CO2
24.85 €*

Dennerle CO2 Set Carbo Bio Start 80
for aquariums up to approx. 80 litres
from 1.95 €*

MasterLine Dosing Pump
usable for all MasterLine bottles
from 89.85 €*

Econlux SolarStinger SunStrip III 35 Fresh Black
5 color channels, more powerful output
from 9.85 €*

Econlux SolarStinger SunStrip Flat Holder
for mountin the SunStrip LED
595.00 €*

AQUAEL External Filter Hypermax Link
external filter with heater and APP control

›

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.

	Seachem Purigen filter medium with unparalleled capacity 13.49 €*		AQUAEL External Filter Multikani 800 multi-functional, modular external filter 49.85 €*
	Fluval FX6 External Aquarium Filter comfortable external filter for larger tanks 278.85 €*		Tropica Aquarium Soil complete, active aquarium gravel 19.85 €*
	Tetra 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 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 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-Analysis With the JBL ProScan you can check your aquarium water using your smartphone. 18.49 €*
	Easy-Life 25 Root Sticks -Root Fertilizer- 5.85 €*		Aquatlantis Easy LED Control 2 Plus 69.95 €*