CO2 Equipment

We stock and swap full CO2 tanks - 20 and 50 lbs!

Got questions about climate control and CO2? Check out GYO's guide to Climate Control for your grow room.

Need help determining the best way to increase CO2 in your garden? Call the grow pro's at (617) 945-1654. We're here to help.

1 - 53 of 53 items
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20 lb. Aluminum CO2 Tank 50 lb. Aluminum CO2 Tank Titan Controls CO2 Regulator
20 lb. Aluminum CO2 Tank50 lb. Aluminum CO2 TankTitan Controls CO2 Regulator

Lightweight; perfect for the small indoor garden

Perfect for the mid-sized indoor garden

Controls the flow of CO2

$190.95

$179.99

$499.95

$429.99

This item ships freight.

$99.95

$91.99

CO2 System (.2-2 cu ft per hour) with Timer CO2 System (1-20 cu ft per hour) with Timer CO2 Regulator / Flowgauge .5-15 SCFH
CO2 System (.2-2 cu ft per hour) with TimerCO2 System (1-20 cu ft per hour) with TimerCO2 Regulator / Flowgauge .5-15 CFH

For gardens smaller than 100 sf.

For gardens larger than 100 sf

CO2 Regulator/Flowgage .5-15 CFH

$114.95

$99.99

$114.95

$99.99

$99.95

$93.99

Titan Controls CO2 Inline Heater MiniGen Water Cooled CO2 Generator Water Cooled CO2 Generator - Liquid Propane
Titan Controls CO2 Inline HeaterMiniGen Water Cooled CO2 GeneratorHydroGEN Pro Water Cooled CO2 Generator

Prevents CO2 regulator freeze-up

Perfect for gardens up to 10'x10'

Produces up to 30 CFH of CO2

$208.95

$187.99

$349.95

$314.99

$429.95

$379.99

HydroGEN CO2 Monitor Autopilot Desktop CO2 Monitor Autopilot Desktop CO2 Monitor & Data Logger
HydroGEN CO2 MonitorAutopilot Desktop CO2 MonitorAutopilot Desktop CO2 Monitor & Data Logger

CO2 monitor & controller

Measures CO2, temperature & humidity.

Measures CO2, temperature & humidity. Has data logging capability.

$359.95

$322.99

$134.95

$124.99

$139.95

$129.99

Autopilot Analog CO2 Controller Autopilot Digital CO2 Controller - Fuzzy Logic Autopilot Greenhouse Master Controller
Autopilot Analog CO2 ControllerAutopilot Digital CO2 Controller - Fuzzy LogicAutopilot Greenhouse Master Controller

Economical & simple CO2 control

Very efficient CO2 controller

Controls temperature, humidity & CO2

$294.95

$264.99

$534.95

$469.99

$604.95

Autopilot CO2 Generator LP 2,262-9,052 BTU Autopilot CO2 Generator LP/HA 2,262-9,052 BTU Autopilot CO2 Generator NG 2,767-11,068 BTU
Autopilot CO2 Generator LP 2,262-9,052 BTUAutopilot CO2 Generator LP/HA 2,262-9,052 BTUAutopilot CO2 Generator NG 2,767-11,068 BTU

CO2 generator - propane

CO2 generator - propane, high altitude

CO2 generator - natural gas

$379.95

$339.99

$379.95

$339.99

$379.95

$339.99

Autopilot CO2 Generator NG/HA 2,767-11,068 BTU Autopilot CO2 Generator LP 11,310-18,104 BTU Autopilot CO2 Generator LP/HA 11,310-18,104 BTU
Autopilot CO2 Generator NG/HA 2,767-11,068 BTUAutopilot CO2 Generator LP 11,310-18,104 BTUAutopilot CO2 Generator LP/HA 11,310-18,104 BTU

CO2 generator - natural gas, high altitude

High output CO2 generator - propane

High output CO2 generator - propane, high altitude

$379.95

$339.99

$474.95

$409.99

$474.95

$409.99

Autopilot CO2 Generator NG 13,835-22,136 BTU Autopilot CO2 Generator NG/HA 13,835-22,136 BTU Titan Controls Ares 2 - Two Burner LP CO2 Generator
Autopilot CO2 Generator NG 13,835-22,136 BTUAutopilot CO2 Generator NG/HA 13,835-22,136 BTUTitan Controls Ares 2 - Two Burner LP CO2 Generator

High output CO2 generator - natural gas

High output CO2 generator - natural gas, high altitude

CO2 burner for 10'x10' rooms or smaller

$474.95

$409.99

$474.95

$409.99

$346.95

$309.99

Titan Controls Ares 2 - Two Burner NG CO2 Generator Titan Controls Ares 4 - Four Burner LP CO2 Generator Titan Controls Ares 4 - Four Burner NG CO2 Generator
Titan Controls Ares 2 - Two Burner NG CO2 GeneratorTitan Controls Ares 4 - Four Burner LP CO2 GeneratorTitan Controls Ares 4 - Four Burner LP CO2 Generator (HA)

CO2 burner for 10'x10' rooms or smaller

CO2 burner for 15'x15' rooms or smaller

High Altitude CO2 burner for 15'x15' rooms or smaller

$346.95

$309.99

$387.95

$348.99

$387.95

$348.99

Titan Controls Ares 4 - Four Burner NG CO2 Generator Titan Controls Ares 8 - Eight Burner LP CO2 Generator Titan Controls Ares 8 - Eight Burner LP CO2 Generator
Titan Controls Ares 4 - Four Burner NG CO2 GeneratorTitan Controls Ares 8 - Eight Burner LP CO2 GeneratorTitan Controls Ares 8 - Eight Burner LP CO2 Generator (HA)

CO2 burner for 15'x15' rooms or smaller

CO2 burner for 25'x25' rooms or smaller

High Altitude CO2 burner for 25'x25' rooms or smaller

$387.95

$348.99

$482.95

$419.99

$482.95

$419.99

Titan Controls Ares 8 - Eight Burner NG CO2 Generator Titan Controls Ares 10 - Ten Burner LP CO2 Generator Titan Controls Ares 10 - Ten Burner NG CO2 Generator
Titan Controls Ares 8 - Eight Burner NG CO2 GeneratorTitan Controls Ares 10 - Ten Burner LP CO2 GeneratorTitan Controls Ares 10 - Ten Burner NG CO2 Generator

CO2 burner for 25'x25' rooms or smaller

Jumbo CO2 burner, up to 22,630 BTU/hr

Jumbo CO2 burner, up to 27,670 BTU/hr

$482.95

$419.99

$594.95

$489.99

$594.95

$489.99

Titan Controls Ares Series CO2 Generator AC Power Supply Titan Controls Ares Series LP Hose & Regulator Titan Controls Ares Series LP Replacement Burner
Titan Controls Ares Series CO2 Generator AC Power SupplyTitan Controls Ares Series LP Hose & RegulatorTitan Controls Ares Series LP Replacement Burner

Power supply for Ares CO2 generators

Replacement LP hose and regulator for Ares series CO2 generators

Replacement LP burner for Ares series CO2 generators

$29.95

$27.99

$49.95

$46.99

$11.95

$11.49

Titan Controls Ares Series NG Hose & Regulator Titan Controls Ares Series NG Replacement Burner Titan Controls CO2 Rain System w/ 25 ft Tubing
Titan Controls Ares Series NG Hose & RegulatorTitan Controls Ares Series NG Replacement BurnerTitan Controls CO2 Rain System w/ 25 ft Tubing

Replacement natural gas hose and regulator for Ares series CO2 generators

Replacement natural gas burner for Ares series CO2 generators

For even CO2 distribution

$59.95

$54.99

$11.95

$11.49

$18.95

$17.99

Titan Controls CO2 Rain Tubing 100 ft Roll Titan Controls CO2 Regulator Replacement Solenoid w/ Cord Set Titan Controls CO2 Regulator Replacement Plastic Washer
Titan Controls CO2 Rain Tubing 100 ft RollTitan Controls CO2 Regulator Replacement Solenoid w/ Cord SetTitan Controls CO2 Regulator Replacement Plastic Washer

For even CO2 distribution

Replacement solenoid for Titan Controls CO2 Regulators.

Maintains air-tight connection between Tital Controls CO2 devices.

$44.95

$42.99

$59.95

$54.99

$1.25

Titan Controls 15 ft Sensor Extension Cable Active Air CO2 Replacement Regulator for Hydrofarm CO2 System Replacement CO2 Regulator Solenoid
Titan Controls 15 ft Sensor Extension CableActive Air CO2 Replacement Regulator for Hydrofarm CO2 SystemReplacement CO2 Regulator Solenoid

Sensor extension for Saturn 6 and Atlas 8 products

Replacement regulator

Replacement for COSYS & COSYS20

$16.95

$15.99

$79.95

$73.99

$55.95

$52.99

CO2 Regulator Inlet washer Tubing / Co2 / 20' drilled Tubing / CO2 / 100' drilled
CO2 Regulator Inlet washerTubing / CO2 / 20' drilledTubing / CO2 / 100' drilled

For between the CO2 regulator and tank

For uniform CO2 distribution

For uniform CO2 distribution

$1.25

$1.19

$12.95

$12.19

$29.95

$27.99

CO2 Tester Kit CO2 Gas Detection Tube 300-5000 PPM, pack of 10 Ice Cap Water Cooling Accessory
CO2 Tester KitCO2 Gas Detection Tube 300-5000 PPM, pack of 10HydroGEN Pro Ice Cap Water Cooling Accessory

Measures CO2 levels; easy to use

Replacement tubes for CO2 Tester Kit

Cooling accessory for HydroGEN Pro

$20.95

$19.99

$49.95

$45.99

$125.00

$114.99

HydroGEN Pro LP to NG Conversion Kit HydroGEN Water Flow Valve
HydroGEN Pro LP to NG Conversion KitHydroGEN Water Flow Valve

Converts HydroGEN Pro to natural gas

Optional - used in place of a water pump

$79.95

$74.99

$89.95

$81.99

1 - 53 of 53 items