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CO2 Optimat Refill – refill cylinder
CO₂ systems for aquariums

CO2 Optimat Refill – refill cylinder

Refill cylinder for the Tetra CO2 Optimat system, supplying CO2 to aquarium plants on a continuous basis…
12.06 €
ERH-AQ1 Probe / Combined Electrode
CO₂ systems for aquariums

ERH-AQ1 Probe / Combined Electrode

Glass combination pH electrode ERH-AQ1 for measuring pH in aquarium water, with a 2 m shielded cable…
144.56 €
lime cube for CO₂
CO₂ systems for aquariums

lime cube for CO₂

Linden wood airstone that breaks gas into fine micro-bubbles in aquarium water, with a connector…
2.27 €
Mixer M CO₂ Reactor – CO₂ reactor
CO₂ systems for aquariums

Mixer M CO₂ Reactor – CO₂ reactor

CO2 reactor for planted freshwater aquariums up to 250 l, installed on the outlet of an external…
18.44 €
Mixer L CO₂ Reactor – CO₂ reactor
CO₂ systems for aquariums

Mixer L CO₂ Reactor – CO₂ reactor

CO2 reactor for external filter outlets, for aquariums up to 250 L. A ceramic fibre diffuser…
18.44 €
Tiny Extend 360 Diffuser – Mini CO₂ diffuser + elbow
CO₂ systems for aquariums

Tiny Extend 360 Diffuser – Mini CO₂ diffuser + elbow

Compact CO2 diffuser for 10–50 l aquariums, with a 7 mm fibre-ceramic sinter and an acrylic body…
13.66 €
Diffuser Special S – 12mm acrylic-ceramic diffuser
CO₂ systems for aquariums

Diffuser Special S – 12mm acrylic-ceramic diffuser

Acrylic CO2 diffuser with a 12 mm ceramic fibre sinter, rated for planted or other aquariums…
8.42 €
Diffuser Special M – 17mm acrylic-ceramic diffuser
CO₂ systems for aquariums

Diffuser Special M – 17mm acrylic-ceramic diffuser

CO2 diffuser for aquariums of 100–250 L, with a 17 mm ceramic fiber sinter and a transparent acrylic…
10.24 €
Diffuser Special Curved S Clip – 12mm CO₂ diffuser with elbow
CO₂ systems for aquariums

Diffuser Special Curved S Clip – 12mm CO₂ diffuser with elbow

Clip-on CO2 diffuser with a 12 mm ceramic fiber membrane and an integrated elbow tube, designed…
10.93 €
Diffuser Special Curved M Clip – 17mm CO₂ diffuser with elbow
CO₂ systems for aquariums

Diffuser Special Curved M Clip – 17mm CO₂ diffuser with elbow

CO2 diffuser for aquariums of about 100–250 l, with a 17 mm ceramic-fiber membrane and a built-in elbow…
14.80 €
Diffuser Special Curved L Clip – 24mm CO₂ diffuser with elbow
CO₂ systems for aquariums

Diffuser Special Curved L Clip – 24mm CO₂ diffuser with elbow

Curved L CO2 diffuser with a 24 mm ceramic-fiber membrane and a built-in elbow tube, intended…
16.39 €
Diffuser S – 12mm acrylic and ceramic CO₂ diffuser
CO₂ systems for aquariums

Diffuser S – 12mm acrylic and ceramic CO₂ diffuser

Acrylic CO2 diffuser with a 12 mm fibre-ceramic sinter, designed for planted aquariums of 100–150 l. It…
8.42 €
Diffuser Original Extend S white – 12mm CO₂ diffuser for aquariums
CO₂ systems for aquariums

Diffuser Original Extend S white – 12mm CO₂ diffuser for aquariums

Acrylic CO2 diffuser with a 12 mm ceramic membrane for planted and other aquariums of about 50–150 l…
11.84 €
Diffuser Original Extend M white – 17mm CO₂ diffuser for aquariums
CO₂ systems for aquariums

Diffuser Original Extend M white – 17mm CO₂ diffuser for aquariums

Extend Original M White is a 17 mm CO2 diffuser for planted aquariums of about 100–250 l. Its ceramic…
14.57 €
Diffuser Original Clip S – CO₂ diffuser with elbow
CO₂ systems for aquariums

Diffuser Original Clip S – CO₂ diffuser with elbow

Acrylic CO2 diffuser with a fiber ceramic sinter and a flexible clip elbow, intended for aquariums…
13.43 €
Diffuser L – 23mm acrylic and ceramic CO₂ diffuser
CO₂ systems for aquariums

Diffuser L – 23mm acrylic and ceramic CO₂ diffuser

Acrylic CO2 diffuser with a 23 mm ceramic fibre sinter, built-in bubble counter and 4/6 mm tube…
10.93 €
Diffuser Extended Original S – 12mm acrylic-ceramic elbow and diffuser
CO₂ systems for aquariums

Diffuser Extended Original S – 12mm acrylic-ceramic elbow and diffuser

CO2 diffuser with an acrylic body and a 12 mm fiber-ceramic sinter, designed for 100–150 L aquariums…
11.84 €
Diffuser Curved Original S Clip – 12mm CO₂ diffuser with elbow
CO₂ systems for aquariums

Diffuser Curved Original S Clip – 12mm CO₂ diffuser with elbow

CO2 diffuser with a 12 mm ceramic membrane and integrated curved elbow, designed for planted aquariums up…
12.52 €
Diffuser Curved Original M Clip – 17mm CO₂ diffuser with elbow
CO₂ systems for aquariums

Diffuser Curved Original M Clip – 17mm CO₂ diffuser with elbow

NEO MEDIA Curved Original M Clip is a CO2 diffuser with a 17 mm ceramic membrane and a built-in curved…
13.66 €
Diffuser Curved Original L Clip – 24mm CO₂ diffuser with elbow
CO₂ systems for aquariums

Diffuser Curved Original L Clip – 24mm CO₂ diffuser with elbow

CO2 diffuser with a 24/25 mm ceramic membrane and a built-in curved elbow tube, designed for aquariums…
15.48 €
Diffuser Clip Small – CO₂ diffuser with elbow
CO₂ systems for aquariums

Diffuser Clip Small – CO₂ diffuser with elbow

NEO Diffuser Clip Small is a CO2 diffuser with a fiber-ceramic sinter and an acrylic body, rated…
12.29 €
Diffuser Clip Medium – CO₂ diffuser with elbow
CO₂ systems for aquariums

Diffuser Clip Medium – CO₂ diffuser with elbow

NEO Diffuser Clip Medium is a 17 mm CO2 diffuser with an acrylic body and a flexible clip-on bent tube…
18.21 €
CO2 System – a complete CO2 kit
CO₂ systems for aquariums

CO2 System – a complete CO2 kit

A complete gel-based CO2 system for planted freshwater aquariums, combining a patented NEO gel mash, five…
20.03 €
CO2 Refill – biological CO2 replenishment
CO₂ systems for aquariums

CO2 Refill – biological CO2 replenishment

Biological CO2 refill with a gel mash for planted aquarium CO2 systems. The yeast feeds only through…
10.93 €