Dennerle Carbo Bio Style 120 Stainless Steel CO2 Reactor

DennerleSKU: 5775

    Same day despatch when ordered before 2pm
    Usually arrives in 2-3 working days
    Orders over £50 sent by next working day courier

Sale price£68.99


Dennerle Carbo Bio Style 120 Stainless Steel Reaction Chamber

The Dennerle Bio Style 120 CO2 Stainless Steel Reaction Chamber is a complete fertilizer system for freshwater aquaria. Provides a constant supply of fertilization for aquarium plants, supplied with a 40-day supply of CO2 Constant Gel.

  • Complete set for uniform CO2 fertilization
  • Refillable reaction container made of stainless steel with pressure relief valve
  • With Dennerle CO2 Constant Gel for at least 40 days of steady CO2 production
  • For healthy, strong plants and bright colors

Carbon is the most important nutrient for aquarium plants. The Dennerle Carbo Bio Style 120 bio CO2 fertilizer system supplies all freshwater aquaria up to 120 liters (31.7 US gal.) with vital CO2. It is ready for operation in just a few steps. The CO2 production already starts after 24 to 48 hours. A Bio CO2 diffuser specially designed for low operating pressure ensures fast, effective dissolution of the valuable CO2 in the aquarium water. Thanks to its modern, timeless design, the fertilizer system also cuts a fine figure standing directly next to the aquarium

A pressure relief valve, pressure-resistant CO2 hose and solid hose fittings ensure a high level of operating safety. The Dennerle Carbo Bio Style 120 CO2 fertilizer system is designed to be particularly sustainable: The stainless steel reaction container is refillable and can be used for many years, the CO2 Constant gel consists of 100 % renewable raw materials. 

Plants consist of almost 50% carbon. CO2 is therefore their most important nutrient. It serves as the basic building block for photosynthesis. From CO2, water and light, they produce their most important building material and energy source: sugar. As a "waste material“, oxygen is produced, which all animals need to breathe. Without the addition of CO2, the level in aquaria is always too low. Plants therefore grow only slowly or not at all. This in turn means little oxygen production for fish and shrimp, but above all the risk of algae problems increases significantly. Well growing aquatic plants are the best prevention against algae! 

Only a regular addition of CO2 creates the natural basis for healthy, strong plant growth, lush green leaves and bright colors. The plants produce more oxygen for the fish, ensure better water quality and actively prevent algae. The valuable carbon is produced by a 100 % natural bio-reaction. Selected microorganisms, in combination with the CO2 Constant gel developed by Dennerle, supply an almost constant amount of CO2 (per filling) for at least 40 days. In conventional Bio CO2 systems, on the other hand, which work with white household sugar, CO2 production tends to be very irregular.

Dimensions: 195mm / 7.67" x 105mm / 4.13"
Hose included.

In stock orders placed before 2pm will be despatched on the same working day (not including palletised items, pond plants or fibreglass ponds).

Pre-orders are shipped once we have the stock available and will be shipped using the service chosen at checkout.

All services are working day services and do not include delivery on Saturdays and Sundays or public holidays as standard. Deliveries are usually Monday to Friday only, although some Royal Mail items may be delivered on weekends as standard if the service is available in your area.

 Packet/Courier items    
 Royal Mail (2-3 days)  £0.00-£49.99 £2.99
 Royal Mail Next Day (1-2 days)  £0.00-£49.99 £4.99
 Parcelforce 24 (1 day)  £0.00-£49.99 £7.99
 Parcelforce 24 (1 day)  £50 and up FREE
 Pallets (booked in)  aquariums / bulky items  

 Pallets Standard (3-5 days)


 Pallets Express (1-2 days)

 - £39.99


*EXCLUDED ITEMS  extra delivery fees apply:
 Fibreglass Ponds (booked in)    

 Zone 1 (7-10 days)

 - £79.99
 Zone 2 (7-14 days)  - £149.99
 Zone 3 (7-21 days)  - £249.99
Pond Plants (direct from grower)
All pond plants (3-10 days) one-off fee regardless of order size/value £5.99

Please see our full delivery information page and terms and conditions for detailed information on shipping policies and zones

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