{"product_id":"pro-grow-1000w-de-metal-halide-lamp-4k-daylight-400v-digital","title":"Pro Grow 1000W DE Metal Halide Lamp — 4K Daylight, 400V Digital","description":"\u003cdiv style=\"font-family: 'Helvetica Neue', Arial, sans-serif; max-width: 860px; margin: 0 auto; color: #1a1a1a;\"\u003e\n\n  \u003cp style=\"font-size: 1.05rem; line-height: 1.7; margin-bottom: 1.5rem;\"\u003eThe Pro Grow 1000W DE Metal Halide Lamp delivers 4200K daylight spectrum across a balanced full-cycle output — a single lamp built to handle veg, flower, and finish on the same fixture. Pulse-start technology, an extruded ceramic arc tube, and low-iron quartz glass mean serious optical quality for serious grow rooms. Designed to run on 240V or 400V digital ballasts and engineered for the medical-grade and connoisseur grower.\u003c\/p\u003e\n\n  \u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem;\"\u003e\n    \u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n      \u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003e4K Daylight Spectrum\u003c\/strong\u003e\n      \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003e4200K colour temperature mimics mid-morning to late-afternoon sun — full spectrum for all growth stages.\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n      \u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003ePulse Start Technology\u003c\/strong\u003e\n      \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eUp to 50% longer lamp life, faster cold starts, and 33% better lumen maintenance vs probe-start MH.\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n      \u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003e240V \u0026amp; 400V Compatible\u003c\/strong\u003e\n      \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eRuns on quality digital ballasts up to 100,000 Hz — Gavita, Hi-Par, Lumatek, and most pro-grade fixtures.\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background: #f4f9f4; border-left: 4px solid #2e5e2e; padding: 1rem 1.2rem; border-radius: 6px;\"\u003e\n      \u003cstrong style=\"display: block; margin-bottom: 0.3rem; color: #2e5e2e;\"\u003ePremium Optical Build\u003c\/strong\u003e\n      \u003cspan style=\"font-size: 0.9rem; color: #444;\"\u003eExtruded ceramic arc tube and low-iron quartz glass deliver the clearest, most consistent output.\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eSpecifications\u003c\/h2\u003e\n  \u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 2rem; margin-bottom: 2rem; font-size: 0.95rem;\"\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eWattage:\u003c\/strong\u003e 1000W\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eLamp Type:\u003c\/strong\u003e Metal Halide (MH)\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Double-Ended (DE)\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eColour Temperature:\u003c\/strong\u003e 4200K (4K)\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eCRI:\u003c\/strong\u003e 65\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eYield Factor:\u003c\/strong\u003e 75\/100\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eMedicinal Factor:\u003c\/strong\u003e 85\/100\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eColour Expression:\u003c\/strong\u003e Warm white daylight\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eVoltage Compatibility:\u003c\/strong\u003e 240V \u0026amp; 400V digital ballasts\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 50Hz to 110,000Hz\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eHot Restrike Time:\u003c\/strong\u003e 12 minutes\u003c\/div\u003e\n    \u003cdiv\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year manufacturer warranty\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f9a825; padding: 1rem 1.3rem; border-radius: 6px; margin-bottom: 2rem;\"\u003e\n    \u003cstrong style=\"color: #e65100; display: block; margin-bottom: 0.5rem;\"\u003eHeads Up — DE Lamp Care Basics\u003c\/strong\u003e\n    \u003cul style=\"margin: 0 0 0 1.2rem; padding: 0; font-size: 0.93rem; line-height: 1.7;\"\u003e\n      \u003cli\u003eThis is a Double-Ended (DE) lamp — fits K12x30s sockets only. Not compatible with single-ended (SE) E40 reflectors.\u003c\/li\u003e\n      \u003cli\u003eRequires a digital electronic ballast — magnetic ballasts won't fire a DE MH lamp correctly.\u003c\/li\u003e\n      \u003cli\u003eDE lamps run hotter than SE — make sure your extraction is properly sized before firing one up.\u003c\/li\u003e\n      \u003cli\u003eHot restrike takes 12 minutes. Don't try to re-ignite a hot lamp before then or you'll cook the bulb early.\u003c\/li\u003e\n      \u003cli\u003eAlways handle with clean gloves or a soft cloth. Skin oils on the quartz cause hot spots and shorten lamp life.\u003c\/li\u003e\n      \u003cli\u003eAlways operate in an enclosed luminaire that complies with UL 1598 — never run an MH lamp in an open fixture.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eHow To Use\u003c\/h2\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e1\u003c\/span\u003e\n    \u003cdiv\u003eConfirm your reflector is rated for 1000W DE lamps and uses K12x30s double-ended sockets. SE reflectors won't work.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e2\u003c\/span\u003e\n    \u003cdiv\u003eMake sure your ballast is a digital 1000W unit rated for either 240V or 400V operation. Magnetic ballasts won't run this lamp.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e3\u003c\/span\u003e\n    \u003cdiv\u003ePower down everything, let any previous lamp cool fully, and use clean gloves or a cloth when fitting the new bulb.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e4\u003c\/span\u003e\n    \u003cdiv\u003eSlot the lamp into both DE sockets — make sure both ends are fully seated. Don't force it.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf3ed; font-size: 0.93rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e5\u003c\/span\u003e\n    \u003cdiv\u003eHang the reflector at the right canopy distance and check your extraction is dialled in — 1000W DE puts out serious heat.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; font-size: 0.93rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background: #2e5e2e; color: #fff; font-weight: 700; font-size: 0.85rem; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;\"\u003e6\u003c\/span\u003e\n    \u003cdiv\u003ePower up — full output takes a few minutes to settle in. Watch canopy temps and adjust hang height as needed.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem; margin-top: 2rem;\"\u003ePairs Well With\u003c\/h2\u003e\n  \u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem;\"\u003e\n    \u003ca href=\"\/collections\/ballasts\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n      \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003e1000W Digital Ballasts\u003c\/strong\u003e\n      \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eBrowse digital ballasts rated for 1000W DE — 240V or 400V. Magnetic units won't fire this bulb.\u003c\/p\u003e\n    \u003c\/a\u003e\n    \u003ca href=\"\/collections\/grow-lighting\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n      \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eDE Reflectors\u003c\/strong\u003e\n      \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eNeed a reflector? Browse double-ended reflectors with K12x30s sockets compatible with this lamp.\u003c\/p\u003e\n    \u003c\/a\u003e\n    \u003ca href=\"\/collections\/inline-exhaust-fans\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n      \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eInline Exhaust Fans\u003c\/strong\u003e\n      \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003e1000W DE puts out heavy heat — pair with a properly sized inline fan to keep canopy temps in check.\u003c\/p\u003e\n    \u003c\/a\u003e\n    \u003ca href=\"\/products\/rope-ratchet-by-cultiv8-adjustable-hangers\" style=\"text-decoration: none; color: inherit; background: #f4f9f4; border: 1px solid #c8dfc8; padding: 1rem; border-radius: 6px; display: block;\"\u003e\n      \u003cstrong style=\"color: #2e5e2e; display: block; margin-bottom: 0.3rem;\"\u003eRope Ratchets by Cultiv8\u003c\/strong\u003e\n      \u003cp style=\"font-size: 0.85rem; margin: 0;\"\u003eHang your reflector at the right height and adjust easily as your canopy stretches into bloom.\u003c\/p\u003e\n    \u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003ch2 style=\"font-size: 1.1rem; font-weight: 700; border-bottom: 2px solid #2e5e2e; padding-bottom: 0.4rem; margin-bottom: 1rem;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eWill this lamp run on a magnetic ballast?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eNo. DE MH lamps require a high-frequency digital electronic ballast. Magnetic ballasts cycle too slow and won't fire a DE bulb correctly. If you're on a magnetic setup, look at single-ended (SE) lamps instead.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eIs this a 240V or 400V lamp?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eBoth. The lamp is engineered for use with quality digital ballasts rated up to 100,000 Hz — covering both 240V and 400V systems. Just match the lamp wattage to your ballast wattage.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eWhat does the 4K spectrum mean for my plants?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003e4200K is a balanced daylight spectrum — closer to mid-morning and late-afternoon natural light. It contains stronger blue and UV wavelengths than HPS lamps, which drives stem thickness, terpene production, and essential oil development. Pro Grow rates this lamp 75\/100 for yield and 85\/100 for medicinal-grade output.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eCan I use this lamp for both veg and flower?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes. The 4K daylight spectrum is balanced enough to run as a single lamp through all stages — veg, flower, and finish. Many growers use it as their primary bloom lamp for medical-grade output where terpene and essential oil profile matters more than raw yield.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eWhat's the difference between this and a 10K finisher lamp?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eThe 4K Daylight is a balanced full-cycle lamp suitable for the entire crop. A 10K Finisher pushes much harder into the UV range and is typically used only in the last 2–3 weeks of bloom to drive terpene and resin production. If you're running a single lamp through the full cycle, 4K is the right choice.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eWhy does it take 12 minutes to restart?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eThat's the hot restrike time. After power-off, the arc tube needs to cool fully before it can re-ignite — trying to restart sooner damages the lamp and can shorten its life. Plan for a 12-minute window if you've had a power interruption.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eDoes it come with a warranty?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes. Pro Grow backs every lamp with a one-year manufacturer warranty against defects. Keep your packaging and proof of purchase in case you need to make a claim.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"margin-bottom: 0.8rem; border: 1px solid #e0e0e0; border-radius: 6px; padding: 0.8rem 1rem;\"\u003e\n    \u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eDo you ship Australia-wide?\u003c\/summary\u003e\n    \u003cp style=\"margin: 0.6rem 0 0; font-size: 0.93rem; line-height: 1.6;\"\u003eYes — we ship across Australia from our Tasmanian base. Free shipping kicks in over $499*. DE lamps are packed carefully to handle transit, but if anything arrives damaged, give us a yell and we'll sort it.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdiv style=\"background: #1c3a1c; color: #fff; padding: 2rem; border-radius: 10px; text-align: center; margin-top: 2rem;\"\u003e\n    \u003ch2 style=\"color: #fff !important; margin: 0 0 0.5rem; font-size: 1.3rem;\"\u003eOne Lamp. Full Cycle. Medical-Grade Output.\u003c\/h2\u003e\n    \u003cp style=\"color: #aed1ae !important; margin: 0 0 1.5rem; font-size: 0.95rem;\"\u003e4200K daylight spectrum, pulse-start tech, ceramic arc tube — built for serious growers.\u003c\/p\u003e\n    \u003cdiv style=\"display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap;\"\u003e\n      \u003cbutton id=\"btn-add-to-cart\" style=\"background: #b67317 !important; color: #fff !important; padding: 0.85rem 2rem !important; border: none !important; border-radius: 6px !important; font-size: 1rem !important; font-weight: 700 !important; cursor: pointer !important;\"\u003eAdd to Cart\u003c\/button\u003e\n      \u003ca href=\"\/collections\/hid-grow-lighting\" style=\"background: transparent !important; color: #fff !important; padding: 0.85rem 2rem !important; border: 2px solid #fff !important; border-radius: 6px !important; font-size: 1rem !important; font-weight: 600 !important; text-decoration: none !important; display: inline-block !important;\"\u003eBrowse HID Lighting\u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n  var btn = document.getElementById('btn-add-to-cart');\n  if (!btn) return;\n  btn.addEventListener('click', function() {\n    fetch('\/cart\/add.js', {\n      method: 'POST',\n      headers: {'Content-Type': 'application\/json'},\n      body: JSON.stringify({id: parseInt('51469945241898', 10), quantity: 1})\n    }).then(function(response) {\n      return response.json();\n    }).then(function(data) {\n      if (data.status \u0026\u0026 data.status !== 200) { throw new Error(data.description); }\n      btn.textContent = 'Added to Cart';\n      btn.style.background = '#2e5e2e';\n      setTimeout(function() {\n        btn.textContent = 'Add to Cart';\n        btn.style.background = '#b67317';\n      }, 2000);\n    }).catch(function() {\n      btn.textContent = 'Error — Try Again';\n      btn.style.background = '#c0392b';\n      setTimeout(function() {\n        btn.textContent = 'Add to Cart';\n        btn.style.background = '#b67317';\n      }, 2500);\n    });\n  });\n});\n\u003c\/script\u003e","brand":"Pro Grow","offers":[{"title":"Default Title","offer_id":51469945241898,"sku":"PG-LAMP-MH-1000WDE4K","price":149.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/1573\/3290\/files\/LPG6004K.jpg?v=1777282893","url":"https:\/\/www.thegrowguys.com.au\/products\/pro-grow-1000w-de-metal-halide-lamp-4k-daylight-400v-digital","provider":"The Grow Guys","version":"1.0","type":"link"}