CO2 for Aquariums

Shop by category

Filter & sort

Price Highlights Brands (Manufacturers) Usage
Filter

CO2: 73 items

mySCAPE-CO2 Diffuser Stainless Steel - 30 cm

ARKA mySCAPE-​CO2 Diffuser Stainless Steel -​ 30 cm

  • Made of stainless steel
  • With ceramic membrane
  • Robust & long-lasting
€ 17,99 instead of € 19,99

Delivery by November 06

Dennerle CO2 Diffuser - Ultra

Dennerle CO2 Diffuser -​ Ultra, L

  • For highly effective CO2 diffusion
  • Also suitable for bio CO2 systems
  • Made of transparent acrylic
€ 11,89 instead of € 16,99

Delivery by November 06

JBL PROFLORA CO2 REGULATOR

JBL PROFLORA CO2 REGULATOR, Professional

  • Regulates tank pressure sensibly
  • Disposable bottles U system
  • Reusable bottles M-System
€ 134,99 instead of € 149,99

Free delivery by November 06

JBL PROFLORA CO2 TAIFUN INLINE 16/22

JBL PROFLORA CO2 TAIFUN INLINE 16/22

  • Effective CO2 diffusion
  • Finest bubbles
  • Special ceramics
€ 31,49 instead of € 34,99

Delivery by November 06

JBL PROFLORA CO2 VALVE

JBL PROFLORA CO2 VALVE

  • CO2 savings of up to 50%
  • Compatible with U, M & V series
  • Easy construction
€ 107,99 instead of € 119,99

Free delivery by November 06

JBL PROFLORA CO2 REFILL BIO

JBL PROFLORA CO2 REFILL BIO

  • CO2 for 40 days
  • Natural fermentation process
  • Aquariums from 30-80 litres
€ 7,99 instead of € 9,99

Delivery by November 06

Tropica CO2 System BIO Refill

Tropica CO2 System BIO Refill

  • Original Tropica product
  • For 60 days CO₂
  • Easy to use
€ 9,89 instead of € 10,99

Delivery by November 06

JBL PROFLORA CO2 PROFESSIONAL SET V

JBL PROFLORA CO2 PROFESSIONAL SET V

  • For freshwater pools
  • Automatic CO2 taxes
  • Optimises the pH
€ 255,99 instead of € 319,99

Free delivery by November 06

ARKA mySCAPE CO2 Checker Set

ARKA mySCAPE CO2 Checker Set

  • For freshwater aquariums
  • Attached to aquarium glass pane
  • With indicator solution
€ 13,49 instead of € 14,99

Delivery by November 06

JBL PROFLORA CO2 TAIFUN TUBE CLEAR

JBL PROFLORA CO2 TAIFUN TUBE CLEAR

  • CO2-resistant plastic
  • Common CO2 systems
  • 3 metres total length
€ 6,29 instead of € 6,99

Delivery by November 06

JBL PROFLORA CO2 CONTROL

JBL PROFLORA CO2 CONTROL

  • Regulates CO2 tax
  • Calculates the optimal pH value
  • Quick installation
€ 179,99 instead of € 199,99

Free delivery by November 06

Tetra CO2 Optimat Refill Cylinder

Tetra CO2 Optimat Refill Cylinder

  • For aquariums up to 130 L
  • An essential nutrient for plants
  • Promotes natural photosynthesis
€ 8,99 instead of € 9,99

Delivery by November 06

Dennerle Carbo Bio Depot 120

Dennerle Carbo Bio Depot 120

  • CO2 Depot for at least 40 days
  • Refill pack for Carbo Bio Style 120
  • For healthy, strong plants and vibrant colours
€ 6,29 instead of € 6,99

Delivery by November 06

JBL PROFLORA CO2 BIO SET

JBL PROFLORA CO2 BIO SET, BASIC

  • No CO2 pressure bottle is necessary
  • Natural fermentation process
  • Continuous CO2 release
€ 23,99 instead of € 29,99 (€ 44,84 / kg)

Delivery by November 06

Dennerle Carbo Bio Style 120

Dennerle Carbo Bio Style 120

  • Complete set for CO2 fertilisation
  • For freshwater aquariums up to 120 litres
  • Includes CO2 Constant Gel for at least 40 days of CO2 production
€ 62,99 instead of € 69,99 (€ 74,11 / kg)

Free delivery by November 06

Dennerle Nano Pressure Reducer Replacement Seal

Dennerle Nano Pressure Reducer Replacement Seal, 2 pieces

  • Replacement seal for pressure reducers
  • For CO2 fertiliser systems
  • 2 pieces
€ 6,29 instead of € 6,99 (€ 3,15 / pc)

Delivery by November 06

CO2 Pressure Regulator PRO with Bluetooth

Chihiros CO2 Pressure Regulator PRO with Bluetooth

  • Limited Edition - for a short time only
  • With app control
  • Efficient CO₂ supply
€ 189,99

Free delivery by November 06

mySCAPE-CO2 Diffuser Stainless Steel - 25 cm

ARKA mySCAPE-​CO2 Diffuser Stainless Steel -​ 25 cm

  • Made of stainless steel
  • With ceramic membrane
  • Robust & long-lasting
€ 17,99 instead of € 19,99

Delivery by November 06

JBL PROFLORA CO2 TAIFUN COUNT SAFE

JBL PROFLORA CO2 TAIFUN COUNT SAFE

  • Makes it easier to control CO2 levels
  • Protects CO2 technology
  • JBL CO2 systems of the U, M and V lines
€ 10,79 instead of € 11,99

Delivery by November 06

JBL PROFLORA CO2 TAIFUN

JBL PROFLORA CO2 TAIFUN, SPIRAL 10

  • Effective CO2 enrichment
  • Freshwater aquariums up to 400 litres
  • From a pool wall height of 20cm
€ 26,99 instead of € 29,99

Delivery by November 06

JBL PROFLORA CO2 TAIFUN GLASS

JBL PROFLORA CO2 TAIFUN GLASS, MAXI

  • Effective CO2 utilisation
  • High-quality glass
  • Special ceramic
€ 16,19 instead of € 17,99

Delivery by November 06

JBL pH Control Touch Temperature Sensor

JBL pH Control Touch Temperature Sensor

  • For use with the JBL pH Control Touch Controller
  • Reliably measures the aquarium temperature
  • Easy installation
€ 31,49 instead of € 34,99

Delivery by November 06

Chihiros Extender for CO2 Pressure Regulator PRO

Chihiros Extender for CO2 Pressure Regulator PRO

  • Limited Edition - only for a short time
  • Supply several aquariums at the same time
  • Precise CO₂ control
€ 26,99 instead of € 29,99

Delivery by November 06

JBL PROFLORA CO2 CYLINDER STAND

JBL PROFLORA CO2 CYLINDER STAND

  • Stable & robust
  • Covers up to 6cm
  • Without holes
€ 6,39 instead of € 7,99

Delivery by November 06

JBL PROFLORA CO2 TAIFUN SPIRAL EXTEND

JBL PROFLORA CO2 TAIFUN SPIRAL EXTEND

  • For PROFLORA CO2 TAIFUN SPIRAL 5 and 10
  • Increases the CO2 output into the water
  • Robust Makrolon
€ 12,59 instead of € 13,99

Delivery by November 06

JBL ProFlora Flat Seal "U"

JBL ProFlora Flat Seal "U"

  • Easy installation
  • Store small parts safely
  • Prevents Co2 loss
€ 2,69 instead of € 2,99

Delivery by November 06

ARKA mySCAPE-CO2 refill set - 2 x 600 g

ARKA mySCAPE-​CO2 refill set -​ 2 x 600 g

  • Refill set for ARKA mySCAPE CO2 systems 3.7 L
  • Component A - Citric Acid 600g
  • Component B - Baking Soda 600g
€ 13,49 instead of € 14,99

Delivery by November 06

JBL PROFLORA CO2 TAIFUN INLINE MEMBRANE

JBL PROFLORA CO2 TAIFUN INLINE MEMBRANE

  • For PROFLORA CO2 TAIFUN INLINE
  • Special ceramics
  • Particularly fine bubbles
€ 15,29 instead of € 16,99

Delivery by November 06

JBL PROFLORA CO2 TAIFUN INLINE 12/16

JBL PROFLORA CO2 TAIFUN INLINE 12/16

  • Effective CO2 diffusion
  • Finest bubbles
  • Special ceramics
€ 26,99 instead of € 29,99

Delivery by November 06

ARKA mySCAPE-CO2 Refill Set - 2 x 400 g

ARKA mySCAPE-​CO2 Refill Set -​ 2 x 400 g

  • Refill set for ARKA mySCAPE CO2² systems 2.4 L
  • Component A - Citric Acid 400g
  • Component B - Baking Soda 400g
€ 8,99 instead of € 9,99

Delivery by November 06