{"product_id":"co2gro-12l-diy-co2-generation-system-with-solenoid","title":"CO2Gro 12L DIY CO2 Generation System (With Solenoid)","description":"\u003ch1 data-section-id=\"120tnm0\" data-start=\"185\" data-end=\"281\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"187\" data-end=\"281\"\u003eCO2GRO Refillable CO₂ Generator Kit – Complete CO₂ Enrichment System for Indoor Grow Rooms\u003c\/strong\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp data-start=\"283\" data-end=\"541\"\u003eIncrease plant growth, maximise yields and improve crop quality with the \u003cstrong data-start=\"356\" data-end=\"391\"\u003eCO2GRO Refillable CO₂ Generator\u003c\/strong\u003e. Designed for indoor cultivation, this innovative CO₂ system provides an economical and reusable alternative to traditional disposable CO₂ cylinders.\u003c\/p\u003e\n\u003cp data-start=\"543\" data-end=\"783\"\u003eUnlike heavy compressed gas bottles, the \u003cstrong data-start=\"584\" data-end=\"604\"\u003eCO2GRO Generator\u003c\/strong\u003e weighs less than \u003cstrong data-start=\"622\" data-end=\"629\"\u003e7kg\u003c\/strong\u003e, measures approximately \u003cstrong data-start=\"654\" data-end=\"662\"\u003e70cm\u003c\/strong\u003e in length, and features a durable protective casing with an integrated carry handle for easy transportation and storage.\u003c\/p\u003e\n\u003cp data-start=\"785\" data-end=\"913\"\u003e\u003cstrong data-start=\"785\" data-end=\"826\"\u003eRefill packs are available separately\u003c\/strong\u003e, allowing you to continue producing high-purity CO₂ without replacing the entire unit.\u003c\/p\u003e\n\u003chr data-start=\"915\" data-end=\"918\"\u003e\n\u003ch2 data-section-id=\"12d6jug\" data-start=\"920\" data-end=\"946\"\u003eWhy Use CO₂ Enrichment?\u003c\/h2\u003e\n\u003cp data-start=\"948\" data-end=\"1111\"\u003eSupplementing your grow room with carbon dioxide is a proven method of increasing photosynthesis, allowing plants to convert more light into energy. The result is:\u003c\/p\u003e\n\u003cul data-start=\"1113\" data-end=\"1297\"\u003e\n\u003cli data-section-id=\"hgqg1q\" data-start=\"1113\" data-end=\"1137\"\u003eIncreased plant growth\u003c\/li\u003e\n\u003cli data-section-id=\"1iu56li\" data-start=\"1138\" data-end=\"1169\"\u003eFaster vegetative development\u003c\/li\u003e\n\u003cli data-section-id=\"pjcwyz\" data-start=\"1170\" data-end=\"1202\"\u003eImproved flowering performance\u003c\/li\u003e\n\u003cli data-section-id=\"1yl931b\" data-start=\"1203\" data-end=\"1218\"\u003eHigher yields\u003c\/li\u003e\n\u003cli data-section-id=\"7jtjnb\" data-start=\"1219\" data-end=\"1261\"\u003eDenser, higher-quality flowers and fruit\u003c\/li\u003e\n\u003cli data-section-id=\"l88lvj\" data-start=\"1262\" data-end=\"1297\"\u003eEnhanced overall crop performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1299\" data-end=\"1391\"\u003eFor best results, maintain CO₂ levels between \u003cstrong data-start=\"1345\" data-end=\"1363\"\u003e1,000–1,200ppm\u003c\/strong\u003e during the lighting period.\u003c\/p\u003e\n\u003chr data-start=\"1393\" data-end=\"1396\"\u003e\n\u003ch2 data-section-id=\"1skr10c\" data-start=\"1398\" data-end=\"1417\"\u003eWhat's Included?\u003c\/h2\u003e\n\u003cp data-start=\"1419\" data-end=\"1455\"\u003eEvery CO2GRO Generator Kit contains:\u003c\/p\u003e\n\u003cul data-start=\"1457\" data-end=\"1611\"\u003e\n\u003cli data-section-id=\"1d6nvuj\" data-start=\"1457\" data-end=\"1482\"\u003eCO2GRO Generator Bottle\u003c\/li\u003e\n\u003cli data-section-id=\"1ptmrs0\" data-start=\"1483\" data-end=\"1498\"\u003ePower Adapter\u003c\/li\u003e\n\u003cli data-section-id=\"eufsm3\" data-start=\"1499\" data-end=\"1524\"\u003eSolenoid Bubble Counter\u003c\/li\u003e\n\u003cli data-section-id=\"1q5kjvl\" data-start=\"1525\" data-end=\"1555\"\u003eFilter with Dry Filter Media\u003c\/li\u003e\n\u003cli data-section-id=\"yqsmv9\" data-start=\"1556\" data-end=\"1568\"\u003eCO₂ Tubing\u003c\/li\u003e\n\u003cli data-section-id=\"1tbqmfx\" data-start=\"1569\" data-end=\"1585\"\u003eFilling Funnel\u003c\/li\u003e\n\u003cli data-section-id=\"nv3li1\" data-start=\"1586\" data-end=\"1611\"\u003eFull Instruction Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1613\" data-end=\"1616\"\u003e\n\u003ch2 data-section-id=\"xrf996\" data-start=\"1618\" data-end=\"1633\"\u003eHow It Works\u003c\/h2\u003e\n\u003cp data-start=\"1635\" data-end=\"1827\"\u003eThe CO2GRO Generator produces high-purity carbon dioxide by combining \u003cstrong data-start=\"1705\" data-end=\"1734\"\u003eMaterial A and Material B\u003c\/strong\u003e (sold separately). Once activated, the system continuously generates CO₂ for your grow room.\u003c\/p\u003e\n\u003cp data-start=\"1829\" data-end=\"1836\"\u003eSimply:\u003c\/p\u003e\n\u003col data-start=\"1838\" data-end=\"2026\"\u003e\n\u003cli data-section-id=\"1whhvy8\" data-start=\"1838\" data-end=\"1871\"\u003eFill and charge the generator.\u003c\/li\u003e\n\u003cli data-section-id=\"1a3swlx\" data-start=\"1872\" data-end=\"1948\"\u003eAdjust the integrated pressure-reducing regulator to your desired output.\u003c\/li\u003e\n\u003cli data-section-id=\"1gdxef0\" data-start=\"1949\" data-end=\"2026\"\u003eConnect to a compatible CO₂ controller for fully automated CO₂ management.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"2028\" data-end=\"2124\"\u003eNo heavy gas cylinders. No expensive refills. Just reliable CO₂ production whenever you need it.\u003c\/p\u003e\n\u003chr data-start=\"2126\" data-end=\"2129\"\u003e\n\u003ch1 data-section-id=\"wdpoma\" data-start=\"2131\" data-end=\"2153\"\u003eFilling Instructions\u003c\/h1\u003e\n\u003cp data-start=\"2155\" data-end=\"2199\"\u003eFor optimum performance, follow these steps:\u003c\/p\u003e\n\u003col data-start=\"2201\" data-end=\"2800\"\u003e\n\u003cli data-section-id=\"sgagjy\" data-start=\"2201\" data-end=\"2297\"\u003eUse \u003cstrong data-start=\"2208\" data-end=\"2222\"\u003ecold water\u003c\/strong\u003e—the colder the better. Ice water or partially frozen water is recommended.\u003c\/li\u003e\n\u003cli data-section-id=\"qterz5\" data-start=\"2298\" data-end=\"2360\"\u003eHold the generator at approximately \u003cstrong data-start=\"2337\" data-end=\"2344\"\u003e45°\u003c\/strong\u003e whilst filling.\u003c\/li\u003e\n\u003cli data-section-id=\"71zy7u\" data-start=\"2361\" data-end=\"2407\"\u003eOnce filled, quickly install the regulator.\u003c\/li\u003e\n\u003cli data-section-id=\"1ep29gv\" data-start=\"2408\" data-end=\"2507\"\u003eGently rotate or swirl the bottle to ensure the contents mix thoroughly. Avoid vigorous shaking.\u003c\/li\u003e\n\u003cli data-section-id=\"b8jyo0\" data-start=\"2508\" data-end=\"2590\"\u003ePlace the generator into a bucket of hot water (freshly boiled water is ideal).\u003c\/li\u003e\n\u003cli data-section-id=\"1qdi9rg\" data-start=\"2591\" data-end=\"2666\"\u003eThe initial reaction will charge the system to approximately \u003cstrong data-start=\"2655\" data-end=\"2665\"\u003e20–30%\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-section-id=\"1up1psm\" data-start=\"2667\" data-end=\"2724\"\u003eOnce the water cools, replace it with fresh hot water.\u003c\/li\u003e\n\u003cli data-section-id=\"1j32qz\" data-start=\"2725\" data-end=\"2800\"\u003eThe generator should reach full operating pressure within \u003cstrong data-start=\"2786\" data-end=\"2799\"\u003e3–5 hours\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 data-section-id=\"mfh9yb\" data-start=\"2802\" data-end=\"2814\"\u003eCleaning\u003c\/h3\u003e\n\u003cp data-start=\"2816\" data-end=\"2989\"\u003eAfter each refill cycle, add a small amount of \u003cstrong data-start=\"2863\" data-end=\"2880\"\u003ewhite vinegar\u003c\/strong\u003e to the bottle before rinsing. This helps dissolve any residue or build-up, making cleaning quick and simple.\u003c\/p\u003e\n\u003chr data-start=\"2991\" data-end=\"2994\"\u003e\n\u003ch1 data-section-id=\"1mmyvgg\" data-start=\"2996\" data-end=\"3031\"\u003eThe Science Behind CO₂ Enrichment\u003c\/h1\u003e\n\u003cp data-start=\"3033\" data-end=\"3246\"\u003eCarbon dioxide is one of the essential ingredients required for photosynthesis. During this natural process, plants absorb CO₂ and convert light energy into sugars that fuel growth, flowering and fruit production.\u003c\/p\u003e\n\u003cp data-start=\"3248\" data-end=\"3542\"\u003eAmbient outdoor air typically contains around \u003cstrong data-start=\"3294\" data-end=\"3304\"\u003e400ppm\u003c\/strong\u003e of CO₂. However, under controlled indoor growing conditions, increasing concentrations to between \u003cstrong data-start=\"3403\" data-end=\"3421\"\u003e1,000–1,200ppm\u003c\/strong\u003e allows plants to photosynthesise more efficiently, resulting in significantly improved growth rates and larger harvests.\u003c\/p\u003e\n\u003chr data-start=\"3544\" data-end=\"3547\"\u003e\n\u003ch1 data-section-id=\"1vwrlu4\" data-start=\"3549\" data-end=\"3577\"\u003eBenefits of CO₂ Enrichment\u003c\/h1\u003e\n\u003ch3 data-section-id=\"hx70ou\" data-start=\"3579\" data-end=\"3607\"\u003eIncreased Photosynthesis\u003c\/h3\u003e\n\u003cp data-start=\"3609\" data-end=\"3720\"\u003eHigher CO₂ concentrations allow plants to convert more light into energy, promoting stronger and faster growth.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cw5505\" data-start=\"3722\" data-end=\"3741\"\u003eLarger Harvests\u003c\/h3\u003e\n\u003cp data-start=\"3743\" data-end=\"3835\"\u003eImproved photosynthesis leads directly to increased biomass and significantly higher yields.\u003c\/p\u003e\n\u003ch3 data-section-id=\"qd3lqo\" data-start=\"3837\" data-end=\"3862\"\u003eSuperior Crop Quality\u003c\/h3\u003e\n\u003cp data-start=\"3864\" data-end=\"3909\"\u003ePlants grown with elevated CO₂ often produce:\u003c\/p\u003e\n\u003cul data-start=\"3911\" data-end=\"4026\"\u003e\n\u003cli data-section-id=\"vmedhx\" data-start=\"3911\" data-end=\"3927\"\u003eDenser flowers\u003c\/li\u003e\n\u003cli data-section-id=\"p0uq20\" data-start=\"3928\" data-end=\"3959\"\u003eIncreased trichome production\u003c\/li\u003e\n\u003cli data-section-id=\"unte5m\" data-start=\"3960\" data-end=\"3987\"\u003eGreater resin development\u003c\/li\u003e\n\u003cli data-section-id=\"vv12hx\" data-start=\"3988\" data-end=\"4026\"\u003eImproved potency and overall quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1x8t09o\" data-start=\"4028\" data-end=\"4050\"\u003eFaster Crop Cycles\u003c\/h3\u003e\n\u003cp data-start=\"4052\" data-end=\"4161\"\u003eAccelerated plant growth can reduce the overall cultivation time, allowing more harvests throughout the year.\u003c\/p\u003e\n\u003chr data-start=\"4163\" data-end=\"4166\"\u003e\n\u003ch1 data-section-id=\"1hwo8hx\" data-start=\"4168\" data-end=\"4199\"\u003eBest Practice for CO₂ Growing\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1jzwttu\" data-start=\"4201\" data-end=\"4222\"\u003eMonitor CO₂ Levels\u003c\/h2\u003e\n\u003cp data-start=\"4224\" data-end=\"4432\"\u003eUse a reliable CO₂ controller or monitor to maintain concentrations between \u003cstrong data-start=\"4300\" data-end=\"4318\"\u003e1,000–1,200ppm\u003c\/strong\u003e. Avoid exceeding \u003cstrong data-start=\"4336\" data-end=\"4348\"\u003e1,500ppm\u003c\/strong\u003e, as higher concentrations provide diminishing returns and may present health risks.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ejd7ku\" data-start=\"4434\" data-end=\"4460\"\u003eMaintain Proper Airflow\u003c\/h2\u003e\n\u003cp data-start=\"4462\" data-end=\"4568\"\u003eEnsure your grow room has effective air circulation so CO₂ is distributed evenly across the entire canopy.\u003c\/p\u003e\n\u003ch2 data-section-id=\"t00c1l\" data-start=\"4570\" data-end=\"4593\"\u003eOptimise Temperature\u003c\/h2\u003e\n\u003cp data-start=\"4595\" data-end=\"4801\"\u003eFor maximum efficiency, maintain grow room temperatures between \u003cstrong data-start=\"4659\" data-end=\"4670\"\u003e28–32°C\u003c\/strong\u003e, particularly when using LED lighting. This helps keep leaf temperatures above \u003cstrong data-start=\"4750\" data-end=\"4758\"\u003e24°C\u003c\/strong\u003e, allowing stomata to function efficiently.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ez0507\" data-start=\"4803\" data-end=\"4828\"\u003eAdjust Plant Nutrition\u003c\/h2\u003e\n\u003cp data-start=\"4830\" data-end=\"4986\"\u003ePlants growing under elevated CO₂ levels have an increased metabolic rate and generally require higher nutrient strength (EC) to support accelerated growth.\u003c\/p\u003e\n\u003ch2 data-section-id=\"15w2ih8\" data-start=\"4988\" data-end=\"5019\"\u003eUse During Light Cycles Only\u003c\/h2\u003e\n\u003cp data-start=\"5021\" data-end=\"5195\"\u003eCO₂ enrichment should only be supplied whilst grow lights are operating. Plants do not utilise additional CO₂ during darkness, so running the system overnight is unnecessary.\u003c\/p\u003e\n\u003ch2 data-section-id=\"194u261\" data-start=\"5197\" data-end=\"5206\"\u003eSafety\u003c\/h2\u003e\n\u003cp data-start=\"5208\" data-end=\"5277\"\u003eAlways follow manufacturer instructions when operating CO₂ equipment.\u003c\/p\u003e\n\u003cp data-start=\"5279\" data-end=\"5298\"\u003eFor safe operation:\u003c\/p\u003e\n\u003cul data-start=\"5300\" data-end=\"5470\"\u003e\n\u003cli data-section-id=\"1i67k7t\" data-start=\"5300\" data-end=\"5330\"\u003eEnsure adequate ventilation.\u003c\/li\u003e\n\u003cli data-section-id=\"1olur3a\" data-start=\"5331\" data-end=\"5371\"\u003eUse approved CO₂ monitoring equipment.\u003c\/li\u003e\n\u003cli data-section-id=\"i07uc1\" data-start=\"5372\" data-end=\"5412\"\u003eInstall a CO₂ alarm where appropriate.\u003c\/li\u003e\n\u003cli data-section-id=\"1aaovfd\" data-start=\"5413\" data-end=\"5470\"\u003eFollow all recommended handling and storage guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"5472\" data-end=\"5475\"\u003e\n\u003ch2 data-section-id=\"1p84kcz\" data-start=\"5477\" data-end=\"5527\"\u003eWhy Choose the CO2GRO Refillable CO₂ Generator?\u003c\/h2\u003e\n\u003cp data-start=\"5529\" data-end=\"5884\"\u003e✔ Refillable and reusable design\u003cbr data-start=\"5561\" data-end=\"5564\"\u003e✔ Lightweight alternative to heavy CO₂ cylinders\u003cbr data-start=\"5612\" data-end=\"5615\"\u003e✔ Integrated pressure regulator included\u003cbr data-start=\"5655\" data-end=\"5658\"\u003e✔ Compatible with CO₂ controllers\u003cbr data-start=\"5691\" data-end=\"5694\"\u003e✔ High-purity CO₂ generation\u003cbr data-start=\"5722\" data-end=\"5725\"\u003e✔ Cost-effective long-term operation\u003cbr data-start=\"5761\" data-end=\"5764\"\u003e✔ Ideal for hydroponics, indoor gardens, grow tents and commercial grow rooms\u003cbr data-start=\"5841\" data-end=\"5844\"\u003e✔ Easy to refill, maintain and transport\u003c\/p\u003e\n\u003cp data-start=\"5886\" data-end=\"6142\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eWhether you're an experienced commercial cultivator or a passionate hobby grower, the \u003cstrong data-start=\"5972\" data-end=\"6007\"\u003eCO2GRO Refillable CO₂ Generator\u003c\/strong\u003e offers a reliable, economical and efficient solution for maximising plant performance and achieving consistently outstanding harvests.\u003c\/p\u003e","brand":"Senua Hydroponics","offers":[{"title":"Default Title","offer_id":57317436522871,"sku":"EVOL-Co2Gro-Kit","price":250.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/3876\/0503\/files\/11w-2026-07-22T143656.067.webp?v=1784728889","url":"https:\/\/www.senua-hydroponics.com\/products\/co2gro-12l-diy-co2-generation-system-with-solenoid","provider":"Senua Hydroponics","version":"1.0","type":"link"}