CO2 Candle 50 Hour

Product Code: J0512

CO2 Candle 50 Hour

CO2 is one of the three essential inputs for photosynthesis alongside light and water. Plants draw CO2 from the surrounding air and convert it into the carbohydrates that drive growth, flowering, and fruit production. In a sealed or semi-sealed growing environment, CO2 levels can drop significantly below ambient as plants consume it faster than it is replenished, creating a bottleneck that limits how effectively the plant can use the light available to it.

Ambient air contains approximately 400 ppm of CO2. Research consistently shows that most crop species can photosynthesise more efficiently at elevated CO2 levels, with concentrations between 1200 and 1500 ppm often cited as the productive target range for indoor growing environments. At these levels plants are better able to convert available light into energy, supporting faster vegetative growth, stronger stem development, and improved flowering and fruit production from the same lighting setup.

CO2 candles provide a low-cost, low-infrastructure method of introducing supplemental CO2 into a small grow space. Combustion of the candle produces CO2 as a byproduct, releasing it gradually into the surrounding environment over the burn period. Best suited to small, enclosed spaces where CO2 enrichment via dedicated generators or tanks is impractical or cost-prohibitive. Keep the growing space reasonably sealed during use to maintain elevated CO2 levels and ensure adequate ventilation is managed carefully to balance CO2 retention with fresh air requirements.

This candle has a burn time of approximately 50 hours, suited to shorter grow cycles or smaller spaces where a single extended burn period is sufficient.

Height	8.000000
Width	6.000000
Length	6.000000
Weight	0.300000

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