• Growbro CO₂ Controller – Automated Indoor CO₂ Regulation
  • Growbro CO₂ Controller – Automated Indoor CO₂ Regulation
  • Growbro CO₂ Controller – Automated Indoor CO₂ Regulation
  • Growbro CO₂ Controller – Automated Indoor CO₂ Regulation
  • Growbro CO₂ Controller – Automated Indoor CO₂ Regulation
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Growbro CO₂ Controller – Automated Indoor CO₂ Regulation
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Growbro CO₂ Controller – Automated CO₂ Regulation for Indoor Grows & Vertical Farms

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Prix : €104.83 Tax included
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Phase d'utilisationToutes phases
TypeContrôleur CO2
FonctionsCO2
Type de culture compatibleUniversel
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Points clés

  • Phase d'utilisation : Toutes phases
  • Type : Contrôleur CO2
  • Fonctions : CO2
  • Type de culture compatible : Universel
  • Tension (V) : 230
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PROFESSIONAL CO₂ CONTROLLER

Growbro CO₂ Controller: Automated CO₂ Management for Indoor Cultivation — Precision Control for Optimal Photosynthesis

The Growbro CO₂ Controller is designed for greenhouse operators, vertical farm managers and demanding indoor cultivators who require accurate, automated CO₂ regulation. By continuously monitoring and adjusting CO₂ concentration in the growing environment, it ensures plants always operate within the optimal photosynthetic range. Compatible with leading CO₂ enrichment systems, it integrates directly into professional grow rooms, grow tents and controlled-environment agriculture setups for consistent, measurable growth gains.

Certified Technical Specifications

SpecificationValue – Growbro CO₂ Controller
Primary FunctionAutomated CO₂ regulation
Control TypeAutomatic closed-loop control
ApplicationIndoor grow rooms, grow tents, greenhouses, vertical farms
CompatibilityMajor CO₂ enrichment systems (generators & bottles)
BrandGROWBRO
Reference600559
CO₂Single-parameter precision control
AUTOFully automated regulation
360°Compatible with all grow setups
24/7Continuous monitoring

Closed-Loop CO₂ Control: How Automated Regulation Drives Photosynthetic Performance

Plants absorb CO₂ as the primary carbon source for photosynthesis. At ambient levels of approximately 400 ppm, growth is limited by CO₂ availability. Enriching the growing environment to between 800 and 1,500 ppm can increase photosynthetic rates by up to 30–50% under adequate light and nutrient conditions. The Growbro CO₂ Controller uses a closed-loop approach: it continuously reads ambient CO₂ concentration and activates or deactivates your enrichment source to hold the set point, preventing both under-dosing and costly over-enrichment above 1,500 ppm where returns diminish.

Universal Compatibility: Integration with CO₂ Generators and Bottle Systems

The Growbro CO₂ Controller is engineered to work with the two main enrichment methods used in professional horticulture: CO₂ gas bottles with solenoid valves and propane or natural gas CO₂ generators. Its output relay connects directly to the enrichment device, enabling automated on/off switching without additional wiring complexity. This makes it suitable for grow rooms from 2 m² to large commercial greenhouse compartments, and allows straightforward scaling as cultivation surface increases.

Installation and Daily Operation in Professional Indoor Environments

Designed for growers who need reliable, low-maintenance operation, the Growbro CO₂ Controller requires a one-time setup of the target CO₂ set point. Once configured, it operates autonomously, freeing cultivation teams from manual checks. The sensor should be positioned at canopy height for accurate readings representative of the photosynthetic zone. Regular sensor calibration — typically every 6 to 12 months — maintains measurement accuracy and ensures the controller continues to deliver consistent results across grow cycles.

🎯 Precise Set-Point Control

Maintains your target CO₂ concentration automatically, avoiding the inefficiency of manual dosing. Eliminating concentration spikes above 1,500 ppm protects plants and reduces gas consumption, directly lowering operating costs per cycle.

⚡ 24/7 Autonomous Monitoring

Continuous sensor-based monitoring means CO₂ levels are corrected in real time, day and night. No manual intervention is required between calibration intervals, making it suited to unmanned or remotely managed grow facilities.

🔗 Broad System Compatibility

Works with CO₂ bottle and generator setups across all major brands. The relay output integrates with solenoid valves and generator ignition circuits, avoiding the need for brand-specific adapters in mixed-equipment facilities.

🌱 Photosynthesis Optimisation

Keeping CO₂ at 800–1,500 ppm under sufficient PPFD (≥ 400 µmol/m²/s) can reduce time-to-harvest by a measurable margin compared to ambient CO₂ grows, with documented vegetative growth rate increases of 20–40% in controlled studies.

🏭 Scalable for Professional Facilities

Equally effective in a 2 m² grow tent or a multi-hundred-square-metre greenhouse compartment. A single unit manages one independently sealed zone, allowing straightforward multi-zone deployments in larger operations.

🔧 Low Maintenance Design

Sensor calibration every 6–12 months is the primary maintenance requirement. The controller's relay-based architecture avoids complex electronics failures, contributing to reliable long-term operation in humid grow environments.

Frequently Asked Questions about the Growbro CO₂ Controller

What CO₂ concentration should I set for indoor plant cultivation?

For most crops under adequate artificial lighting (PPFD ≥ 400 µmol/m²/s), a set point between 1,000 and 1,200 ppm delivers a reliable growth benefit. Going above 1,500 ppm provides diminishing returns for most species and increases gas costs without proportional yield gains. Below 800 ppm, enrichment benefits are minimal. Start at 1,000 ppm and adjust based on observed plant response and your lighting intensity.

Is the Growbro CO₂ Controller compatible with my existing CO₂ setup?

Yes. The controller is designed to work with both CO₂ bottle systems equipped with a solenoid valve and with gas CO₂ generators. Its relay output connects to the switching circuit of your enrichment device. If your current setup uses a standard 230 V solenoid or generator ignition relay, the Growbro CO₂ Controller will integrate without additional adapters or wiring modifications.

How much can CO₂ enrichment realistically improve my yields?

Under controlled conditions with sufficient light (PPFD ≥ 400 µmol/m²/s), temperature (22–28 °C) and nutrients, CO₂ enrichment from ambient 400 ppm to 1,000–1,200 ppm has been documented to increase vegetative growth rates by 20–40% and can shorten vegetative phases. Yield improvements are crop- and condition-dependent; CO₂ enrichment alone does not compensate for deficiencies in light, nutrition or climate management.

Does the CO₂ Controller need to be used alongside other climate controllers?

The Growbro CO₂ Controller manages CO₂ concentration exclusively. For full environmental control, it should be used alongside a temperature and humidity controller and a ventilation timer. Note that active ventilation dilutes CO₂ enrichment rapidly — CO₂ injection should be scheduled when extraction fans are off to avoid wasting gas and to maintain target concentration effectively.

What warranty and after-sales support does BloomLED provide for this controller?

BloomLED provides a 5-year professional warranty on the Growbro CO₂ Controller, covering manufacturing defects under normal use conditions. Our French-speaking technical support team is available to assist with installation, calibration and troubleshooting. Replacement sensors and spare parts are stocked to minimise downtime for professional growers.

Free Professional Support from BloomLED: Our horticultural lighting and climate control specialists assist you in sizing your CO₂ enrichment system to your grow room volume, lighting intensity and crop type. Volume pricing is available for greenhouse operators and vertical farm projects. Contact our team for a no-obligation technical consultation.

✓ 10+ Years BloomLED Expertise ✓ 5-Year Pro Warranty ✓ French-Speaking Technical Support ✓ Compatible with Major CO₂ Systems ✓ CE Certified Equipment

Complementary Products – Indoor Climate Control

CO₂ Generator for Grow Rooms – Propane/Natural Gas, up to 2,800 ppm production Temperature & Humidity Controller – Dual-output relay, 0–100% RH range CO₂ Solenoid Valve for Bottle Systems – 230 V, compatible with Growbro controller
Fiche technique — Growbro CO₂ Controller – Automated CO₂ Regulation for Indoor Grows & Vertical Farms
Phase d'utilisationToutes phases
MarqueGrowbro
TypeContrôleur CO2
FonctionsCO2
Type de culture compatibleUniversel
Tension (V)230
Type de contrôleManuel
Type de système CO2Contrôleur / régulateur CO2
Combustible / Source CO2CO2 pur comprimé
Automatisation / ContrôleManuel
Concentration cible CO2 (ppm)1500 ppm
Puissance pompe (W)valeur libre
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