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CO2 Accessories
CO2 Accessories and supplies. Disposable and refillable canisters. Pressure regulators and valve. Diffusers and indicators.
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On Sale
Aquario Neo Air Diffuser Special
Aquario Neo Air Diffuser Special
List Price C$21.99
Save 20%
C$17.59
On Sale
Aquario Neo Co2 Diffuser Original Curved
Aquario Neo Co2 Diffuser Original Curved
List Price C$29.99
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C$23.99
On Sale
Aquario Neo Co2 Diffuser Original
Aquario Neo Co2 Diffuser Original
List Price C$21.99
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C$17.59
On Sale
ISTA Aluminum CO2 Cylinder 2L - Face Up
ISTA Aluminum CO2 Cylinder 2L - Face Up
List Price C$179.99
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C$143.99
On Sale
ISTA CO2 Spring Stop Check Valve
ISTA CO2 Spring Stop Check Valve
List Price C$4.99
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C$3.99
On Sale
ISTA Replacement Ceramic Disk (L)
ISTA Replacement Ceramic Disk (L)
List Price C$7.99
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C$6.39
On Sale
ISTA Metal CO2/Air Flow Regulator - 6 Ways
ISTA Metal CO2/Air Flow Regulator - 6 Ways
List Price C$124.99
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C$99.99
On Sale
ISTA Disposable CO2 Cartridge (3 units) - 95g
ISTA Disposable CO2 Cartridge (3 units) - 95g
List Price C$63.99
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C$51.19
On Sale
ISTA Disposable CO2 Cartridge (1 unit) - 45g
ISTA Disposable CO2 Cartridge (1 unit) - 45g
List Price C$15.99
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C$12.79
On Sale
![ISTA CO2 Diffuser (3 in 1) V Shaper [Small]](https://d2j6dbq0eux0bg.cloudfront.net/images/20565069/3461508862.jpg "ISTA CO2 Diffuser (3 in 1) V Shaper [Small]")
ISTA CO2 Diffuser (3 in 1) V Shaper [Small]
ISTA CO2 Diffuser (3 in 1) V Shaper [Small]
List Price C$17.99
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C$14.39
On Sale
ISTA Aluminum CO2 Cylinder 3L - Face Up
ISTA Aluminum CO2 Cylinder 3L - Face Up
List Price C$229.99
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C$183.99
On Sale
ISTA Replacement CO2 Ceramic Reactor
ISTA Replacement CO2 Ceramic Reactor
List Price C$10.29
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C$8.23
On Sale
ISTA Replacement Ceramic for Mini CO2 Diffuser
ISTA Replacement Ceramic for Mini CO2 Diffuser
List Price C$9.99
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C$7.99
On Sale
ISTA Mini Ceramic CO2 Diffuser - Cone
ISTA Mini Ceramic CO2 Diffuser - Cone
List Price C$12.99
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C$10.39
On Sale
ISTA Metal CO2/Air Flow Regulator - 3 Ways
ISTA Metal CO2/Air Flow Regulator - 3 Ways
List Price C$99.99
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C$79.99
On Sale
ISTA Max Mix CO2 Reactor - Medium
ISTA Max Mix CO2 Reactor - Medium
List Price C$14.99
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C$11.99
On Sale
ISTA Max Mix CO2 Reactor - Large
ISTA Max Mix CO2 Reactor - Large
List Price C$19.99
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C$15.99
On Sale
ISTA External CO2 Ceramic Reactor
ISTA External CO2 Ceramic Reactor
List Price C$39.99
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C$31.99
On Sale
ISTA Disposable CO2 Cartridge (1 unit) - 95g
ISTA Disposable CO2 Cartridge (1 unit) - 95g
List Price C$21.99
Save 20%
C$17.59
On Sale
ISTA CO2 Controller (Dual Mini Gauge) - Disposable Cartridge Only
ISTA CO2 Controller (Dual Mini Gauge) - Disposable Cartridge Only
List Price C$149.99
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C$119.99
On Sale
ISTA Disposable Cartridge CO2 Supply Set - 45g
ISTA Disposable Cartridge CO2 Supply Set - 45g
List Price C$51.99
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C$41.59
Sold out
ISTA Aluminum CO2 Cylinder 1L - Face Up
ISTA Aluminum CO2 Cylinder 1L - Face Up
List Price C$129.99
Save 20%
C$103.99
Out of stock
Sold out
ISTA Aluminum CO2 Flow Regulator
ISTA Aluminum CO2 Flow Regulator
List Price C$36.99
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C$29.59
Out of stock
Sold out
ISTA Glass Diffuser L - 24mm
ISTA Glass Diffuser L - 24mm
List Price C$21.99
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C$17.59
Out of stock
Sold out
ISTA 2in1 CO2 Bubble Counter
ISTA 2in1 CO2 Bubble Counter
List Price C$9.99
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C$7.99
Out of stock
Sold out
ISTA Precise CO2 Pressure Regulator
ISTA Precise CO2 Pressure Regulator
List Price C$49.99
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C$39.99
Out of stock
Sold out
ISTA Premium 1 Litre CO2 Supply Set - Face Up
ISTA Premium 1 Litre CO2 Supply Set - Face Up
List Price C$249.99
Save 20%
C$199.99
Out of stock
Sold out
![ISTA CO2 Diffuser (3 in 1) V Shaped [Large]](https://d2j6dbq0eux0bg.cloudfront.net/images/20565069/3461498426.jpg "ISTA CO2 Diffuser (3 in 1) V Shaped [Large]")
ISTA CO2 Diffuser (3 in 1) V Shaped [Large]
ISTA CO2 Diffuser (3 in 1) V Shaped [Large]
List Price C$19.99
Save 20%
C$15.99
Out of stock
Sold out
![ISTA Water Plant CO2 Tablets [100 tablets]](https://d2j6dbq0eux0bg.cloudfront.net/images/20565069/3461514536.jpg "ISTA Water Plant CO2 Tablets [100 tablets]")
ISTA Water Plant CO2 Tablets [100 tablets]
ISTA Water Plant CO2 Tablets [100 tablets]
List Price C$11.99
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C$9.59
Out of stock
Sold out
ISTA CO2 Indicator -All Angle View
ISTA CO2 Indicator -All Angle View
List Price C$13.99
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C$11.19
Out of stock
Sold out
ISTA CO2 Controller (Flash Indicator)
ISTA CO2 Controller (Flash Indicator)
List Price C$199.99
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C$159.99
Out of stock
Sold out
ISTA 2 in 1 Metal Bubble Counter & Check Valve
ISTA 2 in 1 Metal Bubble Counter & Check Valve
List Price C$18.99
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C$15.19
Out of stock
Sold out
ISTA CO2 Starter Diffuser Set
ISTA CO2 Starter Diffuser Set
List Price C$14.99
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C$11.99
Out of stock
Sold out
ISTA Glass Diffuser M - 17mm
ISTA Glass Diffuser M - 17mm
List Price C$19.99
Save 20%
C$15.99
Out of stock
Sold out
ISTA CO2 Controller (Single Mini Gauge) - Disposable Cartridge Only
ISTA CO2 Controller (Single Mini Gauge) - Disposable Cartridge Only
List Price C$139.99
Save 20%
C$111.99
Out of stock
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