{"product_id":"sunmaster-cool-deluxe-metal-halide-bulb","title":"Sunmaster Cool Deluxe Metal Halide Bulb – For Indoor Growing","description":"\u003ch2\u003eA blue-rich metal halide built for vigorous vegetative growth\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSunmaster Cool Deluxe Metal Halide\u003c\/strong\u003e is an MH conversion lamp for the vegetative stage, putting out a \u003cstrong\u003e7.2K, blue-rich spectrum\u003c\/strong\u003e that keeps young plants compact and well structured before the switch to flower. Sunmaster has built specialist HID lamps for growers for decades, and the Cool Deluxe range is tuned to support strong photosynthesis and sturdy framework-building through veg. It drops into a standard MH fitting of the matching wattage via its \u003cstrong\u003eE40 mogul base\u003c\/strong\u003e, a simple swap for anyone running dedicated MH lighting.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7.2K blue-rich spectrum\u003c\/strong\u003e tuned for the vegetative stage and tighter internodal spacing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSturdy, compact structure\u003c\/strong\u003e - plants build a strong frame ready for a heavy flowering canopy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable, consistent output\u003c\/strong\u003e from a brand with a long track record in horticultural lighting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard E40 mogul base\u003c\/strong\u003e for a straightforward swap into a matching MH fitting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable in 150W, 400W and 1000W\u003c\/strong\u003e, so a propagation area and a full veg room can run the same lamp family\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStretchy, leggy growth under the wrong spectrum?\u003c\/h3\u003e\n\u003cp\u003eA red-heavy light source in veg pushes plants to \u003cstrong\u003estretch\u003c\/strong\u003e, leaving thin stems and wide internodes. The Cool Deluxe's blue-shifted output counters that, keeping vegetative growth \u003cstrong\u003etight and sturdy\u003c\/strong\u003e ahead of the move into flower.\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFit into a \u003cstrong\u003eMH ballast and reflector of the matching wattage\u003c\/strong\u003e, handling the lamp by its base, not the glass\u003c\/li\u003e\n\u003cli\u003eRun through the \u003cstrong\u003evegetative stage\u003c\/strong\u003e; it can be carried into early flower, though most growers switch to a dedicated HPS or dual-spectrum lamp for the fuller red spectrum at bloom\u003c\/li\u003e\n\u003cli\u003eHang at the distance recommended for your reflector, raising it as the canopy grows to manage heat\u003c\/li\u003e\n\u003cli\u003eReplace once output visibly drops, as MH lamps lose intensity and spectral balance with hours run\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\u003eType:\u003c\/strong\u003e metal halide (MH), Cool Deluxe \/ CDX conversion lamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWattages available:\u003c\/strong\u003e 150W, 400W, 1000W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpectrum:\u003c\/strong\u003e 7.2K, blue-rich (approx. 5000-6500K output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest stage:\u003c\/strong\u003e vegetative growth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCap\/base:\u003c\/strong\u003e E40 mogul\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBallast compatibility:\u003c\/strong\u003e standard MH ballast and reflector of matching wattage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Sunmaster","offers":[{"title":"150W","offer_id":53798336889098,"sku":"LGT-SUNM-004-01","price":24.9,"currency_code":"GBP","in_stock":true},{"title":"400W","offer_id":53798336921866,"sku":"LGT-SUNM-004-02","price":31.9,"currency_code":"GBP","in_stock":true},{"title":"1000W","offer_id":53798336954634,"sku":"LGT-SUNM-004-03","price":49.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/sunmaster-cool-deluxe-metal-halide-bulb-1.jpg?v=1790164124","url":"https:\/\/hydrocropshop.co.uk\/products\/sunmaster-cool-deluxe-metal-halide-bulb","provider":"Hydro Crop Shop","version":"1.0","type":"link"}