{"product_id":"co2gro-12l-diy-co2-generation-system-with-solenoid-copy","title":"CO2GRO Pre-Weighed Refill Packs","description":"\u003ch2\u003e\u003cspan\u003eCO2GRO Refill Pack – Single Charge for CO2GRO Generator\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese refill packs contain the precise quantities of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMaterial A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMaterial B\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e required to complete \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eone full refill (charge)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e of your \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCO2GRO Generator\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen combined inside the generator, the two materials produce a steady supply of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-purity carbon dioxide (CO₂)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to enrich your growing environment. Simply charge the generator, adjust the pressure-reducing valve to your preferred output, and connect it to a compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCO₂ controller\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for accurate, automated CO₂ management.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Use CO₂ Enrichment?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCarbon dioxide is an essential element of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ephotosynthesis\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the natural process that enables plants to convert light into energy. By increasing CO₂ levels within a controlled indoor growing environment, plants can photosynthesise more efficiently, resulting in faster growth, stronger development, and significantly improved yields.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNatural outdoor air typically contains around \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400 ppm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e of CO₂. However, during the vegetative and flowering stages, many fruiting plants perform best when CO₂ levels are maintained between \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1,000 and 1,200 ppm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Providing plants with this optimal concentration allows them to maximise light utilisation, nutrient uptake, and overall productivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eBenefits of CO₂ Enrichment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eFaster Photosynthesis\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eElevated CO₂ concentrations increase the rate of photosynthesis, enabling plants to convert more light energy into healthy plant growth.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIncreased Yields\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEnhanced photosynthetic activity promotes larger plants and heavier harvests, helping growers achieve greater productivity and maximise returns.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSuperior Crop Quality\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlants grown under optimal CO₂ conditions often develop denser flowers, increased trichome production, improved resin content, and enhanced overall quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAccelerated Growth\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCO₂ enrichment can reduce the time required for plants to reach maturity, allowing growers to complete cultivation cycles more quickly and efficiently.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eBest Practice for CO₂ Enrichment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMonitor CO₂ Levels\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor optimum performance, maintain CO₂ concentrations between \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1,000 and 1,200 ppm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Avoid exceeding \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1,500 ppm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as higher concentrations provide little additional benefit and may present health risks. A quality CO₂ monitor or controller is strongly recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMaintain Effective Airflow\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eGood ventilation and air circulation are essential to distribute CO₂ evenly throughout the grow room, ensuring all plants benefit from enrichment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eOptimise Grow Room Temperatures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen using LED grow lights, maintain temperatures between \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e28°C and 32°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. This helps keep leaf temperatures above \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e24°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, encouraging efficient stomatal function and maximising CO₂ uptake.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIncrease Nutrient Strength\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlants grown under elevated CO₂ typically have a faster metabolism and may require \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigher EC nutrient levels\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to support accelerated growth.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eUse CO₂ During the Light Cycle Only\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCO₂ should only be supplied while grow lights are operating, generally for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12–18 hours per day\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e depending on your lighting schedule. Supplying CO₂ during the dark period offers no benefit and unnecessarily wastes gas.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrioritise Safety\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlways use CO₂ equipment in accordance with the manufacturer's instructions. Ensure adequate ventilation, use certified equipment, and consider installing a dedicated \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCO₂ monitor and alarm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for additional safety and peace of mind.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eGrow Smarter with CO2GRO\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCO2GRO Refill Pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a simple, reliable, and cost-effective way to replenish your CO2GRO Generator and maintain optimal CO₂ levels throughout your grow cycle. Whether you're cultivating in a grow tent, grow room, or commercial facility, CO₂ enrichment can help unlock faster growth, healthier plants, improved crop quality, and increased harvests.\u003c\/span\u003e\u003c\/p\u003e","brand":"Senua Hydroponics","offers":[{"title":"Default Title","offer_id":57317511233911,"sku":"EVOL-Co2Gro-refill","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/3876\/0503\/files\/11w-2026-07-22T151522.444.webp?v=1784729756","url":"https:\/\/www.senua-hydroponics.com\/products\/co2gro-12l-diy-co2-generation-system-with-solenoid-copy","provider":"Senua Hydroponics","version":"1.0","type":"link"}