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Best Nano Co2 Anlage - Holiday Sale

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Last Updated - 15.12.2025

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01

USCAPE

USCAPE Basic CO2 System Aquarium Soda Bottles Complete Set Including Nano Diffuser, Pressure Regulator, 2 m Hose

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Space-saving and inconspicuous - Thanks to the compact design, the system can be placed discreetly under the aquarium - for a clean look without technology in view.
Ideal for small aquariums and nano aquariums - Thanks to fine dosage, the system is ideal for aquariums up to approx. 200 litres - perfect for planted nano basins and small aquascapes.
Controlled CO2 supply for plants - The precise control of the amount of CO2 allows a stable balance in the aquarium and promotes the healthy growth of demanding aquatic plants.
Compatible with CO2 soda bottles - This CO2 system has been specially developed for screw thread soda bottles (425 g) as already used in many households. The bottle is not included but can be bought or exchanged cheaply in numerous supermarkets and drugstores.
CO2 complete set for aquarium: Compact CO2 system for efficient supply of small to medium aquariums with CO2. Contains all the necessary components for the start - all you need is a matching CO2 soda bottle with screw thread.

119,90 €
02

TROPICA

Tropica CO2 Set Fertiliser for Plants up to 200 Litres Aquariums Nano Basin

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Co2 plant from Tropica up to 200l aquariums
Accurate and stable CO2 regulation.
A complete CO2 system in an elegant nano design.
3-i-1 diffuser that ensures optimum CO2 recovery.

70,99 €
Value for Money

03

Tropic

Tropic 3 x CO2 replacement bottle, 95 g, plat growht system, nano cylinder, nutrient for plants

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Tropic 3 x CO2 replacement bottle 95 g
CO2 is the most important nutrient for plants

47,79 €
04

Tetra

Tetra CO2 Plus Liquid Carbon Fertiliser for Magnificent Aquarium Plants 250ml Bottle

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Powerful plant growth is the best algae prevention.
Organic release of CO2 for up to one week.
Easy to use without additional tools.
Aquarium plants develop stronger and healthier.

5,89 €
05

JBL

JBL Proflora CO2 Advanced Organic Set, Organic CO2 Fertiliser Set for 40-110 L, with Extensive Accessories

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

No CO2 pressure bottle required, works exclusively via a biological process
High yield, 2 x 40 days CO2 production thanks to immediate and long-term buffer system, organic components also available individually as a refill
Easy to install by mixing organic components and water in the reaction bottle and then connecting the hose to the backflow protection and the reactor
Box contents: 1 x JBL organic CO2 fertiliser system, JBL Proflora CO2 Advanced Organic Set, incl. reaction vessel, thermal protection, 2 x organic components, 3 m CO2 hose, suction holder, return protection, diffuser, item no. 6461200
Advanced set for CO2 supply of aquarium plants in 40-110 litres freshwater aquariums, healthy and strong plant growth, preventive against algae

34,99 €
06

ISTA

Ista Co2 Disposable Supply September 95gr – CO2 System for Nano Fish Tank Complete With Pressure Regulator Diffuser Bubble Counter
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

69,90 €
07

TROPICA

Tropica 3 x CO2 replacement bottle, 95 g

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Plant Growth System NanoCylinder95g Replacement Bottle

47,99 €
08

Tetra

Tetra CO2 Optimate Complete Set for Enriching Aquarium Water with Carbon Dioxide for Magnificent Aquatic Plants with Diffusion Tube, Hose and Suction Cups

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Optimally growing plants also increase the oxygen content of the water - important for the well-being of the fish
Convenient enrichment of aquarium water with CO2
Consists of Tetra CO2 depot, diffusion tube with membrane and clamping ring, hose, suction cups, product information

15,19 €
09

Dennerle

Dennerle Carbo Bio Style 120 - Organic CO2 Fertiliser System for Freshwater Aquariums

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

With CO2 constant gel for at least 40 days even CO2 production
Refillable stainless steel reaction container with pressure relief valve
For healthy, strong plants and bright colours
Complete set for even CO2 fertilisation
Carbon is the most important nutrient for aquarium plants

59,99 €
10

ARKA

ARKA CO2 Fertiliser Aquarium 118 ml - Liquid Organic CO₂ Source with Bacteria & Humic Acid - Promotes Plant Growth & Colour Splendour - Nitrate-Free - for Freshwater & Plant Aquariums - ARKA Bio-CO2

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Organic CO2 fertiliser - Microbes and humic acid produce plant-available CO₂ in a natural process. Perfect for freshwater aquariums - ideal as a source of CO2 for aquascapes, plant tanks & social aquariums.
No pressure gas, no effort - Liquid bio-CO₂ saves expensive CO₂ systems. No hoses, bottles or night shutdown required. Clean, uncomplicated and safe - also ideal for small basins and nano aquariums.
For vitality and colour splendour - Increases the nutrient absorption of aquarium plants thanks to improved CO₂ supply. Visibly healthier growth, vibrant colours and more oxygen in the aquarium for fish & shrimp.
Easy dosage - Start: 10 ml to 100 litres on the first day. Afterward: 2ml every 1-2 days. The dosage can be individually adjusted to the number of plants, density and growth - also ideal for aquascaping beginners.
ARKA Quality and compatibility - Made by ARKA Biotechnology. Compatible with all standard fertiliser systems and ideal in combination with the ARKA fertiliser series. Free from nitrate, phosphate and heavy metals.

6,89 €