{"product_id":"dli-horticulture-plus-1000w-de-hps-lamp","title":"DLI Horticulture Plus 1000W DE HPS Lamp – Grow Light Bulb","description":"\u003ch2\u003eFull-Power Double-Ended Light, Tuned for Photosynthesis\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDLI Horticulture Plus 1000W DE HPS Lamp\u003c\/strong\u003e is the replacement double-ended lamp from \u003cstrong\u003eDutch Lighting Innovations\u003c\/strong\u003e, made in the Netherlands and the same lamp DLI fit as standard in the \u003cstrong\u003eDLI Joule Series 1000W\u003c\/strong\u003e fixture. It runs on \u003cstrong\u003e400V double-ended\u003c\/strong\u003e gear and suits most other \u003cstrong\u003e1000W DE HPS systems\u003c\/strong\u003e too. DLI's exclusive Horticulture Plus spectrum strengthens the \u003cstrong\u003ered and blue\u003c\/strong\u003e wavelengths plants rely on for photosynthesis, so more of every watt does useful work through \u003cstrong\u003evegetative growth and flowering\u003c\/strong\u003e, while a high \u003cstrong\u003eµmol output\u003c\/strong\u003e and long average life keep the canopy lit at full strength for longer between lamp changes.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorticulture Plus spectrum\u003c\/strong\u003e – DLI's own blend, boosted in the \u003cstrong\u003ered and blue\u003c\/strong\u003e regions that drive photosynthesis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh µmol output\u003c\/strong\u003e from a full \u003cstrong\u003e1000W\u003c\/strong\u003e double-ended envelope for strong light intensity at canopy level\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong light maintenance\u003c\/strong\u003e – built to hold its output across a long working life, so you relamp less often\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement for the DLI Joule Series 1000W\u003c\/strong\u003e, and a fit for most other \u003cstrong\u003e1000W 400V DE\u003c\/strong\u003e fixtures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the Netherlands\u003c\/strong\u003e by the company that designed the fixture around it\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Slow Fade of an Ageing HPS Lamp\u003c\/h3\u003e\n\u003cp\u003eEvery HPS lamp loses output gradually, long before it fails, and its spectrum drifts as it goes. The canopy receives less usable light, and the usual signs are \u003cstrong\u003eslower growth\u003c\/strong\u003e, \u003cstrong\u003eexcessive stretch\u003c\/strong\u003e between nodes and weaker flowering in a room where nothing else has changed. Relamping on a schedule with a lamp built for high output and long light maintenance keeps \u003cstrong\u003elight intensity\u003c\/strong\u003e where you set it, and giving a new lamp its first 100 hours at full power lets it settle before you start dimming or boosting.\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the gear:\u003c\/strong\u003e confirm your fixture and ballast are rated for a \u003cstrong\u003e1000W 400V double-ended\u003c\/strong\u003e lamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower off and cool down:\u003c\/strong\u003e isolate the fixture and let the old lamp cool completely before removing it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit with clean gloves:\u003c\/strong\u003e never touch the quartz glass with bare skin, and seat both ends squarely in the lamp holders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBurn in at 100% for 100 hours:\u003c\/strong\u003e run a new lamp at full output for at least \u003cstrong\u003e100 hours\u003c\/strong\u003e to stabilise it before you dim or boost\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Dutch Lighting Innovations (DLI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Horticulture Plus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLamp type:\u003c\/strong\u003e Double-ended (DE) high-pressure sodium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWattage:\u003c\/strong\u003e 1000W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLamp voltage:\u003c\/strong\u003e 400V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpectrum:\u003c\/strong\u003e Horticulture Plus – enhanced red and blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e DLI Joule Series 1000W and most 1000W 400V DE fixtures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBurn-in:\u003c\/strong\u003e At least 100 hours at 100% before dimming or boosting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowth stages:\u003c\/strong\u003e Vegetative growth and flowering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e The Netherlands\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\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;\"\u003eWill it fit a 1000W double-ended fixture from another brand?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eIt is made for DLI Joule Series fixtures and suits most 1000W double-ended HPS fixtures that run the lamp at 400V. Check your ballast is rated for a 1000W 400V DE lamp before fitting.\u003c\/p\u003e\u003c\/details\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;\"\u003eCan I dim or boost the lamp straight away?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo. Run a new lamp at 100% for at least 100 hours so it stabilises, and only then dim it down or boost it up.\u003c\/p\u003e\u003c\/details\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;\"\u003eIs this the lamp supplied with the DLI Joule Series 1000W?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eYes. The Joule Series 1000W ships with the DLI Horticulture Plus 1000W DE HPS lamp, so this is the like-for-like replacement.\u003c\/p\u003e\u003c\/details\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;\"\u003eDo I need a separate lamp for vegetative growth?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo. The Horticulture Plus spectrum strengthens both red and blue, so one lamp covers vegetative growth and flowering.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWorks Well With\u003c\/h3\u003e\n\u003cdiv class=\"hcs-related\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;\"\u003e\n\u003ca href=\"\/products\/dli-joule-series-1000w-240v-dc-full-fixture\" 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\/1000w-hps-light-kit-dli-joule-series-1000w-240v-dc-full-fixture-39901466525911.webp?v=1785291856\u0026amp;width=160\" alt=\"DLI Joule Series 1000W DE HPS Grow Light Fixture\" 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;\"\u003eDLI Joule Series 1000W DE HPS Grow Light Fixture\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eThe DLI fixture this lamp is made for\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"\/products\/dli-digital-controller-dlm-4-zone\" 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\/led-cables-accessories-dli-digital-controller-dlm-4-zone-40130436006103.png?v=1785291879\u0026amp;width=160\" alt=\"DLI DLM 4 Zone Digital Grow Light Controller\" 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;\"\u003eDLI DLM 4 Zone Digital Grow Light Controller\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eDims and schedules DLI fixtures\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Dutch Lighting Innovations","offers":[{"title":"Default Title","offer_id":53929896247562,"sku":"LGT-DLI-001-01","price":88.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/dli-horticulture-plus-1000w-de-hps-lamp-default-title-1.jpg?v=1792262355","url":"https:\/\/hydrocropshop.co.uk\/products\/dli-horticulture-plus-1000w-de-hps-lamp","provider":"Hydro Crop Shop","version":"1.0","type":"link"}