{"product_id":"maxibright-varidrive-600w-hps-kit","title":"Maxibright Varidrive 600W HPS Kit – Dimmable HPS Grow Light","description":"\u003ch2\u003eOne Dimmable HPS Light, From Young Plants to Full Flowering\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMaxibright Varidrive 600W HPS Kit\u003c\/strong\u003e brings together a \u003cstrong\u003eVaridrive 600W dimmable digital ballast\u003c\/strong\u003e, a \u003cstrong\u003eMaxibright Euro wing reflector\u003c\/strong\u003e on a 5 m IEC lead and a \u003cstrong\u003eMaxibright 600W Dual Spectrum HPS lamp\u003c\/strong\u003e rated at \u003cstrong\u003e1,090 µmol\/s PPF\u003c\/strong\u003e. The ballast runs at \u003cstrong\u003e250W, 400W, 600W or boost (660W)\u003c\/strong\u003e, so the same light can be turned down over young plants and run at full power through flowering, and it drives metal halide lamps as well as HPS. It is a proven, straightforward light for a \u003cstrong\u003e1.0 m to 1.2 m grow tent\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaxibright Varidrive 600W dimmable digital ballast\u003c\/strong\u003e – 250W \/ 400W \/ 600W \/ boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaxibright Euro reflector\u003c\/strong\u003e – open-wing reflector with E40 lamp holder and 5 m IEC lead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaxibright 600W Dual Spectrum HPS lamp\u003c\/strong\u003e – E40 base\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour power settings\u003c\/strong\u003e – 250W, 400W, 600W and boost – from one dial on the ballast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,090 µmol\/s PPF\u003c\/strong\u003e from the Dual Spectrum lamp at 600W, with extra blue alongside the HPS red for use from vegetative growth into flowering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRuns HPS or MH lamps\u003c\/strong\u003e, so a metal halide lamp can be fitted for vegetative growth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilent, compact digital ballast\u003c\/strong\u003e with short-circuit protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-together IEC connection\u003c\/strong\u003e between ballast and reflector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.0 A maximum draw\u003c\/strong\u003e – easy to plan on a heavy-duty timer or contactor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStretch and Slow Flowering Under the Wrong Light Level\u003c\/h3\u003e\n\u003cp\u003eToo little light leaves plants stretching for it, with long gaps between nodes, thin stems and slow, sparse flowering. Too much over seedlings and fresh cuttings bleaches leaves and adds heat stress before the roots are ready to keep up with nutrient uptake. The Varidrive lets you match output to the stage – \u003cstrong\u003e250W or 400W\u003c\/strong\u003e early on, \u003cstrong\u003e600W\u003c\/strong\u003e for vegetative growth and flowering, and \u003cstrong\u003eboost\u003c\/strong\u003e once the canopy is established and the room's extraction and airflow can deal with the extra heat.\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit the lamp\u003c\/strong\u003e into the reflector's E40 holder, handling the glass with gloves or a clean cloth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHang the reflector\u003c\/strong\u003e level above the canopy on rope ratchets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect\u003c\/strong\u003e the reflector's IEC lead to the ballast, and plug the ballast into a heavy-duty timer or contactor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose the setting\u003c\/strong\u003e on the ballast dial for the stage of growth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep air moving\u003c\/strong\u003e – an HPS lamp gives off heat, so run extraction and a circulation fan, especially on boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRaise the light\u003c\/strong\u003e as plants grow so the tops never feel hot under the lamp\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\u003ePower draw:\u003c\/strong\u003e 600W (250W \/ 400W \/ 600W settings, 660W boost)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBallast:\u003c\/strong\u003e Maxibright Varidrive 600W dimmable digital ballast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower settings:\u003c\/strong\u003e 250W \/ 400W \/ 600W \/ boost (660W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLamps supported by the ballast:\u003c\/strong\u003e HPS and MH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBallast current:\u003c\/strong\u003e 3.0 A maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLamp:\u003c\/strong\u003e Maxibright 600W Dual Spectrum HPS, E40 base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLamp output:\u003c\/strong\u003e 1,090 µmol\/s PPF (printed on Maxibright's lamp box)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLamp efficacy:\u003c\/strong\u003e Approx. 1.8 µmol\/J (1,090 µmol\/s from 600W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReflector:\u003c\/strong\u003e Maxibright Euro open-wing reflector, E40 lamp holder, 5 m IEC lead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuits:\u003c\/strong\u003e 1.0 m to 1.2 m grow tents\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;\"\u003eCan I run a metal halide lamp in it?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eYes. The Varidrive ballast runs HPS and MH lamps (an MH lamp is not included). Never run an MH lamp above its rated wattage.\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;\"\u003eWhat size grow tent does it suit?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eA 600W HPS is the usual single light for a 1.0 m to 1.2 m tent. In a smaller space, run it at 250W or 400W.\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 contactor?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNot for one kit – a heavy-duty timer rated for a 600W light will switch it. Once you run two or more lights, use a contactor.\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 it be run from a central lighting controller?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNot this kit – the standard Varidrive dimmable ballast is set by its own dial. Maxibright make a separate Varidrive Control ballast with RJ11 ports for controller use.\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\/heavy-duty-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\/Grow-Gadgets-Heavy-Duty-TImer-medium_landscape.jpg?v=1746904804\u0026amp;width=160\" alt=\"Grow Gadgets Heavy Duty Timer\" 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;\"\u003eGrow Gadgets Heavy Duty Timer\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003e24-hour timer rated for one 600W light\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"\/products\/heavy-duty-rope-ratchets-set\" 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\/hanging-heavy-duty-rope-ratchets-set-39135655330007.jpg?v=1773489516\u0026amp;width=160\" alt=\"Heavy Duty Rope Ratchets Set\" 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;\"\u003eHeavy Duty Rope Ratchets Set\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eHang and adjust the reflector\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"\/products\/light-extension-iec-cable-5-metre\" 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\/IEC-extention-cable-medium_landscape.jpg?v=1746905304\u0026amp;width=160\" alt=\"Light Extension IEC 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;\"\u003eLight Extension IEC Cable\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eExtra reach between ballast and reflector\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Maxibright","offers":[{"title":"Default Title","offer_id":53930852942090,"sku":"LGT-MAX2-045-01","price":55.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/maxibright-varidrive-600w-hps-kit-default-title-1.jpg?v=1792275656","url":"https:\/\/hydrocropshop.co.uk\/products\/maxibright-varidrive-600w-hps-kit","provider":"Hydro Crop Shop","version":"1.0","type":"link"}