CO2 Regulators & Systems

GLA GRO Planted Aquarium CO2 Regulator Precise CO2 control in a compact, easy-to-use design. The GLA GRO Aquarium CO2 Regulator combines piston-type pressure regulation, precise CO2 adjustment, and...

GLA GRO Planted Aquarium CO2 Regulator (DIN477) Precise CO2 control for compatible international cylinders. The GLA GRO DIN477 Aquarium CO2 Regulator combines piston-type pressure regulation,...

GLA GRO Paintball Planted Aquarium CO2 Regulator Precise CO2 control for compact paintball-style cylinders. The GLA GRO Paintball Aquarium CO2 Regulator combines piston-type pressure regulation,...

GLA GRO Cartridge Planted Aquarium CO2 Kit Compact CO2 system with the flexibility to upgrade. The GLA GRO Cartridge CO2 Kit combines precision piston-type pressure regulation, fine CO2 adjustment,...

GLA MINI-DS Dual-Stage CO2 Regulator (Modular Manifold) Compact dual-stage CO2 control with room to expand. The GLA MINI-DS Aquarium CO2 Regulator combines dual-stage pressure regulation, precise...

GLA MINI-DS Dual-Stage CO2 Regulator (DIN477) Compact dual-stage CO2 control for international planted aquariums. The GLA MINI-DS DIN477 Aquarium CO2 Regulator combines dual-stage pressure...

GLA PRO-DS-1 Dual-Stage CO2 Regulator (Modular Manifold) Full-size dual-stage CO2 control with dual gauges and expandable outlets. The GLA PRO-DS-1 Aquarium CO2 Regulator combines dual-stage...

GLA PRO-DS Dual-Stage CO2 Regulator (DIN477) Full-size dual-stage CO2 control for international aquariums, with up to six adjustable outlets. The GLA PRO-DS DIN477 Aquarium CO2 Regulator combines...

GLA PRO-DS-2 Dual-Stage CO2 Regulator (2-Block Modular Manifold) Dual-stage CO2 control for two aquariums, with room to expand. The GLA PRO-DS-2 Aquarium CO2 Regulator combines dual-stage pressure...

GLA PRO-DS-3 Dual-Stage CO2 Regulator (3-Block Modular Manifold) Dual-stage CO2 control for three aquariums, with room to expand. The GLA PRO-DS-3 Aquarium CO2 Regulator combines dual-stage...

GLA PRO-DS-4 Dual-Stage CO2 Regulator (4-Block Modular Manifold) Dual-stage CO2 control for four aquariums, with room to expand. The GLA PRO-DS-4 Aquarium CO2 Regulator combines dual-stage pressure...

GLA PRO-DS-5 Dual-Stage CO2 Regulator (5-Block Modular Manifold) Dual-stage CO2 control for five aquariums, with room to expand. The GLA PRO-DS-5 Aquarium CO2 Regulator combines dual-stage pressure...

GLA PRO-DS-6 Dual-Stage CO2 Regulator (6-Block Modular Manifold) Dual-stage CO2 control for six aquariums, fully configured. The GLA PRO-DS-6 Aquarium CO2 Regulator combines dual-stage pressure...

GLA GRO Planted Aquarium CO2 System Precise CO2 control with a refillable cylinder and tubing included. The GLA GRO Aquarium CO2 System combines our precision piston-type GRO regulator, a...

GLA MINI-DS Dual-Stage Planted Aquarium CO2 System Compact dual-stage CO2 control with a refillable cylinder and room to expand. The GLA MINI-DS Aquarium CO2 System combines a compact dual-stage...

GLA PRO-DS Dual-Stage Planted Aquarium CO2 System Full-size dual-stage CO2 control with a refillable cylinder and up to six adjustable outlets. The GLA PRO-DS Aquarium CO2 System combines our...

GLA Modular CO2 Manifold Expansion Block Expand the CO2 distribution capacity of a compatible GLA modular dual-stage regulator with the GLA Modular CO2 Manifold Expansion Block. Each...

GLA CO2 Splitter for GRO Regulator Expand your GLA GRO CO2 regulator to supply multiple planted aquariums from a single regulator and CO2 cylinder with the GLA CO2 Splitter. Designed specifically for...

Replacement o-ring for GLA manifold block, pack of 2. 

GLA OEM replacement power supply for GLA CO2 regulators, for newest Gen 3 DC barrel plug cable style GLA CO2 Regulators. Please don't hesitate to contact us with any questions.

Replacement GLA OEM Needle Valve for GLA GRO CO2 Regulator. This OEM replacement needle valve is designed specifically for the GLA GRO CO2 Regulator, restoring precise and reliable CO2 flow control...

GLA GRO CGA-320 Adapter Fitting The GLA GRO CGA-320 Adapter Fitting converts compatible GLA GRO paintball and cartridge-style CO2 regulators for use with standard CGA-320 CO2 cylinders. This adapter...

OEM replacement acrylic tube for GLA CO2 bubble counters  

GLA OEM replacement power supply for GLA CO2 regulators, for Gen 2 and older USB style GLA CO2 Regulators

GLA Paintball Adapter Fitting The GLA Paintball Adapter Fitting converts compatible GLA GRO CO2 regulators for use with paintball-style CO2 cylinders featuring standard pin valve connections. This...

Replacement threaded O-ring assembly kit for GLA GRO Cartridge CO2 Regulator. If you are uncertain if the part is correct for your application, please email or text us to inquire, happy to help...

GLA OEM CO2 Bubble Counter Replacement GLA OEM CO2 bubble counter designed for use with compatible GLA aquarium CO2 regulators and systems. This precision bubble counter provides a clear visual...

GLA PRO-CO2 Atomizing Reactor 5L The GLA PRO-CO2 Atomizing Reactor 5L combines ultra-fine ceramic CO2 atomization with a large external dissolution chamber to improve CO2 utilization and reduce gas...