{"product_id":"lumii-envirogro-300w-super-cool-cfl-lamp","title":"LUMii EnviroGro 300W Super Cool CFL Lamp – CFL Grow Bulb","description":"\u003ch2\u003eBlue-rich, low-heat light that keeps seedlings short and sturdy\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eLUMii EnviroGro 300W Super Cool CFL Lamp\u003c\/strong\u003e is a \u003cstrong\u003e300W compact fluorescent (CFL) grow lamp\u003c\/strong\u003e with a very blue-rich \u003cstrong\u003e14000K \"Super Cool\"\u003c\/strong\u003e colour temperature, made for \u003cstrong\u003eseedlings, cuttings and early vegetative growth\u003c\/strong\u003e. LUMii build their CFLs as the low-energy option for the grow room: high-output fluorescent lamps that run at a modest wattage and give off \u003cstrong\u003efar less heat than HID lighting\u003c\/strong\u003e, so this one can hang close over propagators and young plants without drying them out. It has a standard \u003cstrong\u003eE40\u003c\/strong\u003e screw cap with its control gear built in, so it runs from a simple E40 lampholder lead – no ballast needed.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e14000K Super Cool spectrum\u003c\/strong\u003e – blue-weighted light that keeps seedlings and cuttings compact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300W of low-heat light\u003c\/strong\u003e – hang it close without scorching leaves or drying out propagation media.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-energy option\u003c\/strong\u003e – a lighter running cost than an HID light where full power is not needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo ballast required\u003c\/strong\u003e – the control gear is built into the lamp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard E40 cap\u003c\/strong\u003e – screws into an E40 lampholder lead or a CFL reflector rated for 300W.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eStretched, Weak Seedlings?\u003c\/h3\u003e\u003cp\u003eGiven too little light, or light that is too far away, seedlings and fresh cuttings stretch – long gaps between leaves, thin stems and plants that topple when they are potted on. Blue-rich light keeps internodes short and stems thick, and because a CFL runs cool it can be brought close enough to deliver real intensity to the trays. Compact young plants with healthy root development settle faster and handle transplant shock far better than leggy ones.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit it\u003c\/strong\u003e into an E40 lampholder rated for a \u003cstrong\u003e300W\u003c\/strong\u003e lamp – a CFL lead and lampholder, or a reflector rated for a 300W CFL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHang it cap-up\u003c\/strong\u003e over the trays, starting around \u003cstrong\u003e15–30 cm\u003c\/strong\u003e above seedlings or cuttings; raise it if leaves pale or curl.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun it on a timer\u003c\/strong\u003e – \u003cstrong\u003e16–18 hours\u003c\/strong\u003e a day suits seedlings, cuttings and young vegetative plants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle it cold\u003c\/strong\u003e – switch off and let the lamp cool before moving it, and keep water away from the lamp and holder.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e EnviroGro by LUMii\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e CFL (compact fluorescent) grow lamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWattage:\u003c\/strong\u003e 300W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour temperature:\u003c\/strong\u003e 14000K (Super Cool)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCap:\u003c\/strong\u003e E40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl gear:\u003c\/strong\u003e built in – runs from a mains E40 lampholder, no ballast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat output:\u003c\/strong\u003e low compared with HID lighting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e seedlings, cuttings and early vegetative growth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdiv class=\"hcs-faq\"\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eWhat lampholder do I need?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eAn E40 lampholder rated for at least 300W, such as our CFL Lead \u0026amp; Lampholder (E40 socket, 4 m lead, UK plug). If you use a CFL reflector, check it is rated for a 300W lamp – many are only rated to 200W.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eDoes it need a ballast?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo. Like all CFLs its control gear is built into the base, so it runs straight from a mains-powered E40 lampholder.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eCan I use it for flowering?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eIt is not the right lamp for that. 14000K is a very blue spectrum made for seedlings, cuttings and early vegetative growth; flowering and fruiting crops need a warmer, redder light such as a 2700K-class lamp, or a CMH or LED fixture.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eHow close can it hang?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eCloser than an HID lamp, because it runs cool – around 15–30 cm above seedlings and cuttings is a good starting point. Raise it if the leaves nearest the lamp pale or curl.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003ch3\u003eWorks Well With\u003c\/h3\u003e\u003cdiv class=\"hcs-related\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;\"\u003e\n\u003ca href=\"\/products\/cfl-lead-lampholder\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/cfl-lead-and-lampholder-1-medium_landscape.jpg?v=1746904568\u0026amp;width=160\" alt=\"CFL Lead \u0026amp; Lampholder – E40 Socket with 4m UK Cable\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eCFL Lead \u0026amp; Lampholder – E40 Socket with 4m UK Cable\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eThe E40 holder and lead it screws into\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/large-propagator-52cm-x-37cm\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/large-propagator-52cm-x-37cm.jpg?v=1787262465\u0026amp;width=160\" alt=\"Large Propagator 52cm x 37cm – Vented Humidity Dome\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eLarge Propagator 52cm x 37cm – Vented Humidity Dome\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eHolds humidity for cuttings under the lamp\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/24hr-digital-timer\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/24hr-digital-timer.webp?v=1787260068\u0026amp;width=160\" alt=\"24hr Digital Timer – For Grow Lights and Pumps\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003e24hr Digital Timer – For Grow Lights and Pumps\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eSets the daily light schedule\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"LUMii","offers":[{"title":"Default Title","offer_id":53930872373514,"sku":"LGT-LUII-015-01","price":45.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/lumii-envirogro-300w-super-cool-cfl-lamp-default-title-1.jpg?v=1792276954","url":"https:\/\/hydrocropshop.co.uk\/products\/lumii-envirogro-300w-super-cool-cfl-lamp","provider":"Hydro Crop Shop","version":"1.0","type":"link"}