CO₂ bags are the simplest way to add extra CO₂ to a grow tent. Inside each bag, a natural substrate releases CO₂ continuously, without gas bottles, regulators or electricity. This collection holds the CO₂ Bag Medium and the CO₂ Bag XL. The Medium suits small to medium tents; the XL is meant for larger tents or rooms. Activate the bag according to the instructions, hang it slightly above the canopy and avoid placing it right next to the extraction inlet, so the CO₂ isn't pulled out straight away. Learn more in CO₂, and keep your climate steady with fan controllers and a thermo-hygrometer.
Questions & answers about CO₂ Bags
All growing questions →- Climate What is the ideal temperature in a grow tent? About 22 to 28 °C with the lights on, and no more than about 5 °C cooler when they're off. Read the answer →
- Climate What is the ideal humidity in a grow tent at each stage? About 65 to 80% for seedlings and cuttings, 50 to 70% in growth, and 40 to 50% in flowering, a bit lower toward the end. Read the answer →
- Climate What is VPD and how do I use it in a grow tent? VPD (vapour pressure deficit) combines temperature and humidity into one number that tells you how strongly the air pulls water out of th... Read the answer →
- Climate Do I need a climate controller, or is a thermo-hygrometer enough? A thermo-hygrometer is enough to start with. A controller is worth it once you want fans, humidifier and heater to react on their own. Read the answer →
