CO2 Regulators & Systems

GLA GRO Planted Aquarium CO2 Regulator The GLA GRO CO2 Regulator is a compact, precision-built regulator designed for dependable CO2 control in planted aquariums. Its streamlined configuration...

GLA GRO Planted Aquarium CO2 Regulator (DIN477) The GLA GRO CO2 regulator is designed for international planted aquarium CO2 installations using compatible W21.8 × 1/14 cylinder connections. Built...

GLA GRO Paintball CO2 Regulator The GLA GRO Paintball CO2 Regulator is a compact, precision-built regulator designed for use with compatible paintball-style CO2 cylinders. Built around the GLA GRO...

GLA GRO Cartridge CO2 Kit The GLA GRO Cartridge CO2 Kit is a compact, cartridge-based CO2 system designed for nano and small planted aquariums where space, simplicity, and clean installation are...

GLA DS-Mini Dual Stage CO2 Regulator (Modular Manifold) The GLA DS-Mini Dual Stage CO2 Regulator is a compact, professional-grade regulator designed for aquarists seeking dual-stage pressure...

GLA DS-Mini Dual Stage CO2 Regulator (Modular) (DIN477) The GLA DS-Mini Dual Stage CO2 Regulator (DIN477) is a compact, professional-grade regulator designed for international planted aquarium CO2...

GLA PRO-DS-1 Dual Stage CO2 Regulator (Modular Manifold) The GLA PRO-DS-1 Dual Stage CO2 Regulator is our full-size modular dual-stage platform, engineered for aquarists seeking premium pressure...

GLA PRO-DS Dual Stage CO2 Regulator (Modular) (DIN477) The GLA PRO-DS Dual Stage CO2 Regulator (DIN477) is our full-size modular dual-stage platform for international planted aquarium CO2...

GLA PRO-DS-2 Dual Stage CO2 Regulator (2-Block Modular Manifold) The GLA PRO-DS-2 Dual Stage CO2 Regulator is our full-size modular dual-stage platform configured with two independently controlled...

GLA PRO-DS-3 Dual Stage CO2 Regulator (3-Block Modular Manifold) The GLA PRO-DS-3 Dual Stage CO2 Regulator is our full-size modular dual-stage platform configured with three independently controlled...

GLA PRO-DS-4 Dual Stage CO2 Regulator (4-Block Modular Manifold) The GLA PRO-DS-4 Dual Stage CO2 Regulator is our full-size modular dual-stage platform configured with four independently controlled...

GLA PRO-DS-5 Dual Stage CO2 Regulator (5-Block Modular Manifold) The GLA PRO-DS-5 Dual Stage CO2 Regulator is our full-size modular dual-stage platform configured with five independently controlled...

GLA PRO-DS-6 Dual Stage CO2 Regulator (6-Block Modular Manifold) The GLA PRO-DS-6 Dual Stage CO2 Regulator is our full-size modular dual-stage platform configured with six independently controlled...

GLA GRO Planted Aquarium CO2 System The GLA GRO CO2 System provides a streamlined foundation for pressurized CO2 injection in planted aquariums. Built around the GLA GRO regulator platform, the...

GLA DS-Mini Dual Stage CO2 System (Modular) The GLA DS-Mini Dual Stage CO2 System combines compact dual-stage pressure regulation, modular CO2 distribution, a refillable aluminum CO2 cylinder, and...

GLA PRO-DS Dual Stage CO2 System (Modular) The GLA PRO-DS Dual Stage CO2 System combines our full-size dual-stage regulator platform, modular CO2 distribution, a refillable aluminum CO2 cylinder,...

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...

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...

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...

OEM replacement acrylic tube for GLA CO2 bubble counters  

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...

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

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...

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 2.5 lb Aluminum CO2 Cylinder The GLA 2.5 lb CO2 cylinder is a compact, high-quality aluminum cylinder designed for planted aquarium CO2 systems where space efficiency is important. Its smaller...

GLA 5 lb Aluminum CO2 Cylinder The GLA 5 lb CO2 cylinder is a high-quality aluminum cylinder designed for planted aquarium CO2 systems. Its compact footprint and reliable capacity make it one of the...

74 Gram Disposable CO2 Cartridges (2 Pack) Replacement 74 gram disposable CO2 cartridges designed for use with compatible aquarium CO2 systems and regulators. These compact cartridges provide a...

GLA OEM CO2 Tank Seal The GLA OEM CO2 tank seal is designed for the connection between your CO2 regulator and CO2 cylinder, helping ensure a secure and leak-free installation. This premium clear...

Nylon CO2 Tank Seal This nylon CO2 tank seal is designed for the connection between your CO2 regulator and CO2 cylinder, helping create a secure seal during installation. Replacement seals should...

GLA Stainless Steel Check Valve - Planted Tank Check Valve  The GLA Stainless Check Valve is a high-quality, stainless steel check valve designed to protect your CO2 system from backflow. Built for...

GLA Atomic Check Valve – Nature Aquarium Check Valve High-Pressure CO2 Protection in a Compact, Precision-Machined Form Engineered for serious aquascapers and high-performance planted aquarium CO2...

GLA Clear CO2-Resistant Tubing (10 Feet) The GLA Clear CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone airline tubing, which...

GLA Black CO2-Resistant Tubing (10 Feet) The GLA Black CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone airline tubing, which...

GLA White CO2-Resistant Tubing (10 Feet) The GLA White CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone airline tubing, which...

GLA Transparent Green CO2-Resistant Tubing (10 Feet) The GLA Transparent Green CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone...

GLA Green CO2-Resistant Tubing (10 Feet) The GLA Green CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone airline tubing, which...

GLA Gray CO2-Resistant Tubing (10 Feet) The GLA Gray CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone airline tubing, which...

GLA Transparent Blue CO2-Resistant Tubing (10 Feet) The GLA Transparent Blue CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone...

GLA PRO-CO2 Atomizing Reactor 5L Advanced Atomizing CO₂ Reactor for Nature Aquariums The GLA PRO-CO2 Atomizing Reactor 5L combines high-pressure CO₂ atomization with reactor-based dissolution to...

Replacement set of hose barbs for 16/22mm CO2 reactor

GLA Glass Clip-On CO2 Drop Checker Kit The GLA Glass Clip-On CO2 Drop Checker Kit provides a simple and reliable way to visually monitor CO2 levels in planted aquariums. Featuring an elegant,...

GLA Glass Orb CO2 Drop Checker Kit for Planted Aquarium The GLA Glass Orb CO2 Drop Checker Kit provides a simple and reliable way to visually monitor CO2 levels in planted aquariums. Designed with...

GLA Glass CO2 Drop Checker Kit The GLA Glass CO2 Drop Checker Kit provides a simple and reliable way to visually monitor CO2 levels in planted aquariums. Designed for accuracy and ease of use, this...

GLA 4 dKH CO2 Indicator Solution – Lab Certified Analytical Standard GLA 4 dKH CO2 Indicator Solution is a laboratory-certified analytical standard designed for accurate planted aquarium CO2...