What about a mosquito magnet outdoors in the midst of the grow?
Shadow123 Reviewed by Shadow123 on . CO2 ENRICHMENT GUIDE CO2 ENRICHMENT GUIDE Carbon dioxide (CO2) is used by plants in photosynthesis, or the conversion of water, atmospheric carbon dioxide and light in the plant's chloroplasts into food energy (simple carbohydrates), with oxygen as a byproduct. Resins and saps in the plants stems and branches then transmit this food around the plant to promote growth, reproduction and prevention of disease. Photosynthesis stops at night, thus plants do not use CO2 during the night, or lights-out stage. Rating: 5