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Aquarium CO2 Diffusers & Bubble Counters

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Fluval Ceramic CO2 Diffuser

Original price $18.95 - Original price $18.95
Original price
$18.95
$18.95 - $18.95
Current price $18.95
2 in stock

The Ceramic CO2 Diffuser effectively dissolves CO2 into the aquarium, which is vital to the health and condition of your plants. FAQs: My ne...

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Original price $18.95 - Original price $18.95
Original price
$18.95
$18.95 - $18.95
Current price $18.95

Seachem Glassware Bubble Counter

Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95
2 in stock

The Bubble Counter is a simple and elegant tool for monitoring the rate of CO2 injection in planted aquaria. This bubble counter is placed in...

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Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95

Seachem Glassware Spiral Bubble Counting Diffuser

Original price $39.95 - Original price $39.95
Original price
$39.95
$39.95 - $39.95
Current price $39.95
Only 1 left!

The Spiral Bubble Counting Diffuser is a pollen style CO2 diffuser that connects to CO2 injection systems to easily disperse CO2 gas into the pla...

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Original price $39.95 - Original price $39.95
Original price
$39.95
$39.95 - $39.95
Current price $39.95

Dymax Stainless Steel CO2 Diffuser Dia. 36mm

Original price $44.95 - Original price $72.95
Original price
$44.95 - $72.95
$44.95 - $72.95
Current price $44.95
Only 1 left!

Dymax Stainless Steel CO2 diffusers use a special ceramic refinement. The quartz plate has an ultrafine effect and high dissolution rate that break...

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Original price $44.95 - Original price $72.95
Original price
$44.95 - $72.95
$44.95 - $72.95
Current price $44.95

Seachem Glassware Beetle Diffuser

Original price $39.95 - Original price $54.95
Original price
$39.95 - $54.95
$39.95 - $54.95
Current price $39.95
2 in stock

The glass Beetle Diffuser is a pollen style CO2 diffuser that connects to CO2 injection systems to easily disperse CO2 gas into the planted aqu...

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Original price $39.95 - Original price $54.95
Original price
$39.95 - $54.95
$39.95 - $54.95
Current price $39.95

Dymax Stainless Steel CO2 Diffuser Dia. 24mm

Original price $37.95 - Original price $62.95
Original price
$37.95 - $62.95
$37.95 - $62.95
Current price $37.95
Only 1 left!

Dymax Stainless Steel CO2 diffusers use a special ceramic refinement. The quartz plate has an ultrafine effect and high dissolution rate that break...

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Original price $37.95 - Original price $62.95
Original price
$37.95 - $62.95
$37.95 - $62.95
Current price $37.95

Dymax CO2 Atomizer Glass GA-102s Ø 20mm

Original price $16.95 - Original price $16.95
Original price
$16.95
$16.95 - $16.95
Current price $16.95
Out of stock

Effectively diffuses CO2 in the aquarium, made from high quality glass and compact in size for discreet installation. Fine ceramic that ensures CO2...

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Original price $16.95 - Original price $16.95
Original price
$16.95
$16.95 - $16.95
Current price $16.95
Sold out

Dymax CO2 Atomizer Glass GA-103 Ø 28mm

Original price $22.95 - Original price $22.95
Original price
$22.95
$22.95 - $22.95
Current price $22.95
Only 1 left!

Effectively diffuses CO2 in the aquarium, made from high quality glass and compact in size for discreet installation. Fine ceramic that ensures CO2...

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Original price $22.95 - Original price $22.95
Original price
$22.95
$22.95 - $22.95
Current price $22.95

Bioscape Black Stainless Steel CO2 Diffuser

Original price $38.95 - Original price $38.95
Original price
$38.95
$38.95 - $38.95
Current price $38.95
Only 1 left!

The stainless steel Bioscape CO2 diffuser can be used with any CO2 producing device to deliver ultra fine CO2 bubbles in the aquarium. The scintere...

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Original price $38.95 - Original price $38.95
Original price
$38.95
$38.95 - $38.95
Current price $38.95

ASA Aluminium CO2 Diffuser

Original price $15.95 - Original price $15.95
Original price
$15.95
$15.95 - $15.95
Current price $15.95
Out of stock

20mm disc in a trendy aluminum diffuser. Available in Blue or Silver. 6.5m tall.

Original price $15.95 - Original price $15.95
Original price
$15.95
$15.95 - $15.95
Current price $15.95
Sold out

Seachem Glassware Slanted Diffuser

Original price $39.95 - Original price $39.95
Original price
$39.95
$39.95 - $39.95
Current price $39.95
Only 1 left!

The Slanted Diffuser is a pollen style CO2 diffuser that connects to CO2 injection systems to easily and uniquely disperse CO2 gas into the p...

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Original price $39.95 - Original price $39.95
Original price
$39.95
$39.95 - $39.95
Current price $39.95

Dymax CO2 Atomizer Glass GA-105 Ø 28mm

Original price $26.95 - Original price $26.95
Original price
$26.95
$26.95 - $26.95
Current price $26.95
Only 1 left!

Effectively diffuses CO2 in the aquarium, made from high quality glass and compact in size for discreet installation. Fine ceramic that ensures CO2...

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Original price $26.95 - Original price $26.95
Original price
$26.95
$26.95 - $26.95
Current price $26.95

Bioscape Pro Series Inline Diffuser for 16/22mm

Original price $66.95 - Original price $66.95
Original price
$66.95
$66.95 - $66.95
Current price $66.95
Only 1 left!

Bioscape Pro Series External Diffuser is a freshwater CO2 diffuser designed to be installed outside of your tank, inline between 16/22mm hose eithe...

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Original price $66.95 - Original price $66.95
Original price
$66.95
$66.95 - $66.95
Current price $66.95

Dymax Nano CO2 Diffuser

Original price $12.95 - Original price $20.95
Original price
$12.95 - $20.95
$12.95 - $20.95
Current price $12.95
Only 1 left!

Dymax Nano CO2 Diffuser, the first innovated design for mini plant aquarium to obtain optimum diffusion of CO2 without any wastage. This diffuser w...

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Original price $12.95 - Original price $20.95
Original price
$12.95 - $20.95
$12.95 - $20.95
Current price $12.95

Seachem Glassware Bubble Counting Diffuser

Original price $39.95 - Original price $39.95
Original price
$39.95
$39.95 - $39.95
Current price $39.95
Only 1 left!

The Bubble Counting Diffuser is a pollen style CO2 diffuser that connects to CO2 injection systems to easily disperse CO2 gas into the planted aq...

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Original price $39.95 - Original price $39.95
Original price
$39.95
$39.95 - $39.95
Current price $39.95

Dymax CO2 Atomizer Glass GA-104XL Ø 50mm

Original price $49.95 - Original price $49.95
Original price
$49.95
$49.95 - $49.95
Current price $49.95
Only 1 left!

Effectively diffuses CO2 in the aquarium, made from high quality glass and compact in size for discreet installation. Fine ceramic that ensures CO2...

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Original price $49.95 - Original price $49.95
Original price
$49.95
$49.95 - $49.95
Current price $49.95

ADA CO2 Pollen Glass Beetle

Original price $199.00 - Original price $299.00
Original price
$199.00 - $299.00
$199.00 - $299.00
Current price $199.00
Only 1 left!

Pollen Glass Beetle Pollen Glass Beetle has a wider diffusion filter. Unique design Beetle sits conveniently on an inside corner of an aquarium t...

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Original price $199.00 - Original price $299.00
Original price
$199.00 - $299.00
$199.00 - $299.00
Current price $199.00

Dymax CO2 Atomizer Glass GA-104L Ø 35mm

Original price $40.95 - Original price $40.95
Original price
$40.95
$40.95 - $40.95
Current price $40.95
2 in stock

Effectively diffuses CO2 in the aquarium, made from high quality glass and compact in size for discreet installation. Fine ceramic that ensures CO2...

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Original price $40.95 - Original price $40.95
Original price
$40.95
$40.95 - $40.95
Current price $40.95

ADA CO2 Pollen Glass TYPE-3

Original price $119.00 - Original price $119.00
Original price
$119.00
$119.00 - $119.00
Current price $119.00
Only 1 left!

Pollen Glass TYPE-3 TYPE-3 has the same diffusing ability as the original and TYPE-2, but it's with a new design. Silicon tube connecting part is ...

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Original price $119.00 - Original price $119.00
Original price
$119.00
$119.00 - $119.00
Current price $119.00

Seachem Glassware Inline Diffuser

Original price $125.00 - Original price $135.00
Original price
$125.00 - $135.00
$125.00 - $135.00
Current price $125.00
Only 1 left!

The glass Inline Diffuser is a pollen style inline CO2 diffuser that is placed in the outflow line of the filter or aquarium pump to efficiently ...

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Original price $125.00 - Original price $135.00
Original price
$125.00 - $135.00
$125.00 - $135.00
Current price $125.00

Dymax CO2 Atomizer Glass GA-102 Ø 26mm

Original price $23.95 - Original price $23.95
Original price
$23.95
$23.95 - $23.95
Current price $23.95
2 in stock

Effectively diffuses CO2 in the aquarium, made from high quality glass and compact in size for discreet installation. Fine ceramic that ensures CO2...

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Original price $23.95 - Original price $23.95
Original price
$23.95
$23.95 - $23.95
Current price $23.95

Aqua One CO2 3 in 1 Ceramic Diffuser

Original price $21.95 - Original price $21.95
Original price
$21.95
$21.95 - $21.95
Current price $21.95
Out of stock

Aqua One has your CO2 requirements covered with the Nano CO2 Set. The set comes with everything you need to boost aquatic plant growth! Carbon diox...

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Original price $21.95 - Original price $21.95
Original price
$21.95
$21.95 - $21.95
Current price $21.95
Sold out

VIV CO2 Beetle Diffusor 30mm

Original price $59.00 - Original price $59.00
Original price
$59.00
$59.00 - $59.00
Current price $59.00
2 in stock

The Beetle Diffuser has a wider diffusion filter so more CO2 can be dispersed within your aquarium. The uniquely designed Beetle sits conveniently ...

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Original price $59.00 - Original price $59.00
Original price
$59.00
$59.00 - $59.00
Current price $59.00

ADA CO2 Pollen Glass Mini

Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00
Only 1 left!

Pollen Glass Mini Pollen Glass Mini is designed for small size aquariums (Use aquarium with less than 5mm glass thickness). It can be set without ...

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Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00