Accessories
Accessories

20% Discount
Arka Resin-Pure 4L

Arka

Arka Resin-Pure 4L
31.95 €
(7.99 € / l)
EIA 39.90 €
20% Discount
Arka PH/TDS/EC Meter

Arka

Arka PH/TDS/EC Meter
31.95 € EIA 39.90 €
17% Discount
Arka Nite-Out II 473 ml

Arka

Arka Nite-Out II 473 ml
13.95 €
(29,492.60 € / l)
EIA 16.90 €
20% Discount
Arka Algaway

Arka

Arka Algaway - 473 ml
11.95 €
(25.26 € / l)
EIA 14.90 €
19% Discount
Arka Special Blend 251 ml

Arka

Arka Special Blend 251 ml
12.95 €
(51,593.63 € / l)
EIA 15.90 €
20% Discount
Arka Phos-Out4 473 ml

Arka

Arka Phos-Out4 473 ml
15.95 €
(33,720.93 € / l)
EIA 19.90 €
23% Discount
Arka Xtreme Water Purifier 473 ml

Arka

Arka Xtreme Water Purifier 473 ml
9.95 €
(21.17 € / l)
EIA 12.90 €
17% Discount
Arka Substrate Cleaner 473 ml

Arka

Arka Substrate Cleaner 473 ml
13.95 €
(29,492.60 € / l)
EIA 16.90 €
23% Discount
Arka Plants Fe

Arka

Arka Plants Fe - 473 ml
9.95 €
(21.04 € / l)
EIA 12.90 €
20% Discount
Arka Gel Filter Filter Starter 473 ml

Arka

Arka Gel Filter Filter Starter 473 ml
11.95 €
(25,264.27 € / l)
EIA 14.90 €
20% Discount
Arka THERA P 473 ml

Arka

Arka THERA P 473 ml
15.95 €
(33,720.93 € / l)
EIA 19.90 €
20% Discount
Arka NOPO Nitrate-Phosphate Test

Arka

Arka NOPO Nitrate-Phosphate Test
11.95 €
(25.43 € / l)
EIA 14.90 €
20% Discount
Arka Resin-Pure 1L

Arka

Arka Resin-Pure 1L
11.95 €
(11.95 € / l)
EIA 14.90 €
16% Discount
Arka Multifunction Pipette

Arka

Arka Multifunction Pipette
9.95 € EIA 11.90 €
23% Discount
Arka Bio - CO2

Arka

Arka Bio - CO2 - 473 ml
9.95 €
(21.04 € / l)
EIA 12.90 €
20% Discount
Arka Algaway 5000 ml

Arka

Arka Algaway 5000 ml - 5000 ml
39.95 €
(7.99 € / l)
EIA 49.90 €
20% Discount
Phos-Out 4 1000 ml

Arka

Phos-Out 4 1000 ml
15.95 €
(15,950.00 € / l)
EIA 19.90 €
20% Discount
Arka Aqua Balance 473 ml

Arka

Arka Aqua Balance 473 ml
11.95 €
(25,264.27 € / l)
EIA 14.90 €
23% Discount
Arka Plants K

Arka

Arka Plants K - 473 ml
9.95 €
(21.04 € / l)
EIA 12.90 €
23% Discount
Arka Plants NPK

Arka

Arka Plants NPK 473 ml
9.95 €
(21.04 € / l)
EIA 12.90 €
20% Discount
Arka Herbtana Immune Booster P 473 ml

Arka

Arka Herbtana Immune Booster P 473 ml
15.95 €
(33,720.93 € / l)
EIA 19.90 €
20% Discount
Arka THERA P 251 ml

Arka

Arka THERA P 251 ml
11.95 €
(47,609.56 € / l)
EIA 14.90 €
20% Discount
Arka Gel Filter Filter Starter 236 ml

Arka

Arka Gel Filter Filter Starter 236 ml
7.95 €
(33.69 € / l)
EIA 9.90 €
20% Discount
Arka Artemiss Immune Booster B 473 ml

Arka

Arka Artemiss Immune Booster B 473 ml
15.95 €
(33,720.93 € / l)
EIA 19.90 €
20% Discount
Arka Substrate Cleaner 236 ml

Arka

Arka Substrate Cleaner 236 ml
7.95 €
(33.69 € / l)
EIA 9.90 €
20% Discount
Arka Artemiss Immune Booster B 236 ml

Arka

Arka Artemiss Immune Booster B 236 ml
11.95 €
(50.64 € / l)
EIA 14.90 €
22% Discount
Arka Xtreme Water Treatment 236 ml

Arka

Arka Xtreme Water Treatment 236 ml
6.95 €
(29.45 € / l)
EIA 8.90 €
14% Discount
Arka Algaway

Arka

Arka Algaway - 118 ml
5.95 €
(50.42 € / l)
EIA 6.90 €
23% Discount
Arka Plants P

Arka

Arka Plants P - 473 ml
9.95 €
(21.04 € / l)
EIA 12.90 €
20% Discount
Arka Sili-Out 2 1 L

Arka

Arka Sili-Out 2 1 L
15.95 € EIA 19.90 €
20% Discount
Arka Herbtana Immune Booster P 236 ml

Arka

Arka Herbtana Immune Booster P 236 ml
11.95 €
(50.64 € / l)
EIA 14.90 €
20% Discount
Arka Phos-Out4 236 ml

Arka

Arka Phos-Out4 236 ml
11.95 €
(50.64 € / l)
EIA 14.90 €
14% Discount
Arka Bio - CO2

Arka

Arka Bio - CO2 - 118 ml
5.95 €
(50.42 € / l)
EIA 6.90 €
14% Discount
Arka Plants Fe

Arka

Arka Plants Fe - 118 ml
5.95 €
(50.42 € / l)
EIA 6.90 €
14% Discount
Arka Plants K

Arka

Arka Plants K - 118 ml
5.95 €
(50.42 € / l)
EIA 6.90 €
14% Discount
Arka Plants P

Arka

Arka Plants P - 118 ml
5.95 €
(50.42 € / l)
EIA 6.90 €
14% Discount
Arka Plants N

Arka

Arka Plants N - 118 ml
5.95 €
(50.42 € / l)
EIA 6.90 €
22% Discount
Arka Bio - CO2

Arka

Arka Bio - CO2 - 236 ml
6.95 €
(29.45 € / l)
EIA 8.90 €
22% Discount
Arka Plants Fe

Arka

Arka Plants Fe - 236 ml
6.95 €
(29.45 € / l)
EIA 8.90 €
22% Discount
Arka Plants Green

Arka

Arka Plants Green - 236 ml
6.95 €
(29.45 € / l)
EIA 8.90 €
22% Discount
Arka Plants K

Arka

Arka Plants K - 236 ml
6.95 €
(29.45 € / l)
EIA 8.90 €
22% Discount
Arka Plants NPK

Arka

Arka Plants NPK 236 ml
6.95 €
(29.45 € / l)
EIA 8.90 €
14% Discount
Arka Plants Green

Arka

Arka Plants Green - 118 ml
5.95 €
(50.42 € / l)
EIA 6.90 €
22% Discount
Arka Plants P

Arka

Arka Plants P - 236 ml
6.95 €
(29.45 € / l)
EIA 8.90 €
22% Discount
Arka Plants N

Arka

Arka Plants N - 236 ml
6.95 €
(29.45 € / l)
EIA 8.90 €
14% Discount
Arka Plants NPK

Arka

Arka Plants NPK 118 ml
5.95 €
(50.42 € / l)
EIA 6.90 €
20% Discount
Arka Special Blend 473 ml

Arka

Arka Special Blend 473 ml

coming soon available

19.95 €
(42,177.59 € / l)
EIA 24.90 €
23% Discount
Arka Plants N

Arka

Arka Plants N - 473 ml

coming soon available

9.95 €
(21.04 € / l)
EIA 12.90 €
23% Discount
Arka Plants Green

Arka

Arka Plants Green - 473 ml

coming soon available

9.95 €
(21.04 € / l)
EIA 12.90 €
23% Discount
JBL PhosEx ultra 340g

Arka

JBL PhosEx ultra 340g

coming soon available

11.95 € EIA 15.49 €
14% Discount
Arka Xtreme Water Conditioner 118 ml

Arka

Arka Xtreme Water Conditioner 118 ml

coming soon available

5.95 €
(50.42 € / l)
EIA 6.90 €
Arka Algaway

Arka

Arka Algaway

coming soon available

5.95 €
Arka Bio - CO2

Arka

Arka Bio - Co2

coming soon available

5.95 €
Arka Plants Fe

Arka

Arka Plants Fe

coming soon available

5.95 €
Arka Plants Green

Arka

Arka Plants Green

coming soon available

5.95 €
Arka Plants K

Arka

Arka Plants K

coming soon available

5.95 €
Arka Plants P

Arka

Arka Plants P

coming soon available

5.95 €
Arka Plants N

Arka

Arka Plants N

coming soon available

5.95 €
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Over 20 Years of Expertise

Over 20 Years of Expertise

Arka Shop for Freshwater Aquarium Supplies & Aquatics Accessories at Petonus

Discover aquarium supplies online and set up your aquarium perfectly

Author: Kevin Schwabe

Aquarium supplies are the foundation of a stable and healthy freshwater aquarium. With the right supplies, you can keep your tank clean, promote plant growth, and ensure the well-being of your fish. At Petonus, you’ll find high-quality aquarium supplies for both beginners and experienced aquarists.

 

Your Benefits at Petonus
  • Comprehensive selection of freshwater aquarium accessories
  • High-quality materials for care, maintenance, and setup
  • Products suitable for both small and large aquariums
  • Personalized advice online and at our specialty store in Jena
  • Accessories from well-known manufacturers such as Juwel, JBL, and Oase

 

Accessories for a well-maintained freshwater aquarium

A well-equipped aquarium needs the right accessories. With the right tools, changing the water is easy, and you can keep the tank clean at all times. Hoses, nets, and maintenance tools are also part of the basic equipment needed to maintain the biological balance in the aquarium.

Tip for small aquariums

If you’re caring for a compact tank, you’ll find special nano aquarium accessories that are perfectly tailored to small freshwater aquariums. They make maintenance easier in tight spaces and ensure that even mini-aquariums remain stable, clean, and beautifully arranged.


In addition, at Petonus you’ll find accessories tailored to the most important aspects of aquarium care. For healthy plants, we recommend our plant fertilizer; for clean water, our cleaning products; and for a stable tank setup, the right substrate. You’ll also find medications to support fish health, as well as silicone for small repairs and sealing.

 

Personalized Advice at Petonus

Not sure which accessories your aquarium really needs? Our team will be happy to help you choose and explain which products are right for your tank. Simply contact us via the form, by phone, or in person at our specialty store in Jena. This way, you can care for your freshwater aquarium easily, safely, and with total peace of mind.

 

Buy Aquarium Accessories Online at Petonus

Discover the wide selection of accessories for your freshwater aquarium now. From care products and plant fertilizers to substrate and water-change tools, you’ll find everything you need for a stable and clean aquarium in the Petonus online shop.

Order your aquarium accessories conveniently online at Petonus and ensure a consistently beautiful and healthy underwater world.