{"product_id":"boulderlamp-guardian-900w-full-spectrum-led-grow-light","title":"BoulderLamp Guardian 900W Full Spectrum LED Grow Light with 405nm Crop Protection","description":"\u003cp\u003eThe BoulderLamp Guardian 900W Full Spectrum LED Grow Light combines high-output horticultural lighting with integrated 405nm antimicrobial visible-light technology, creating a professional lighting platform designed to support both plant growth and crop protection.\u003c\/p\u003e\n\u003cp\u003eBuilt in the USA for demanding indoor cultivation, the Guardian900W uses a broad six-bar LED array to distribute full-spectrum light across a coverage area of up to 4’ x 5’. Its primary horticultural spectrum combines premium white and red LEDs from Cree, Osram and Samsung, while dedicated LEDESTAR 405nm LEDs create a separately controlled antimicrobial light channel.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Up to 900W + 405nm Protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e Up to 4’ x 5’\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 2.7 µmol\/J Full Spectrum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrop Protection:\u003c\/strong\u003e On-Demand 405nm Visible Light\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe result is more than a conventional high-output grow light. BoulderLamp designed the Guardian900W to combine full-spectrum horticultural performance, independent spectral control, programmable lighting and non-UV 405nm crop-protection technology in a single commercial-grade fixture.\u003c\/p\u003e\n\u003cp\u003eWith an average full-spectrum PPE of 2.7 µmol\/J, maximum PPFD reaching 2,100 µmol\/m²\/s, independent white and red spectrum control and a commercial 120–277VAC operating range, the Guardian900W is engineered for serious indoor growing environments.\u003c\/p\u003e\n\u003ch3\u003eFull-Spectrum Lighting + 405nm Crop Protection\u003c\/h3\u003e\n\u003cp\u003eThe defining feature of the Guardian900W is its dual-purpose lighting system. The primary horticultural channel provides broad full-spectrum white and red light for plant growth, while a dedicated 405nm violet-blue visible-light channel can be activated on demand.\u003c\/p\u003e\n\u003cp\u003eBoulderLamp developed this 405nm technology as an antimicrobial lighting system designed to help inhibit microorganisms such as mold, powdery mildew, yeast and bacteria without relying on chemical treatments.\u003c\/p\u003e\n\u003cp\u003eUnlike UV sanitation systems, the Guardian’s 405nm technology operates in the visible violet portion of the spectrum rather than ultraviolet light, so antimicrobial lighting cycles can be built directly into the same fixture responsible for normal horticultural lighting.\u003c\/p\u003e\n\u003ch3\u003eOn-Demand 405nm Antimicrobial Light\u003c\/h3\u003e\n\u003cp\u003eDedicated LEDESTAR 405nm LEDs create the Guardian900W’s antimicrobial light channel. Rather than running continuously as part of the normal horticultural spectrum, the 405nm cycling beam can be operated on demand, letting growers build antimicrobial exposure into a controlled lighting schedule.\u003c\/p\u003e\n\u003cp\u003eBoulderLamp designed the system to help:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInhibit mold and powdery mildew\u003c\/li\u003e\n\u003cli\u003eSuppress bacteria and yeast\u003c\/li\u003e\n\u003cli\u003eReduce reliance on chemical crop treatments\u003c\/li\u003e\n\u003cli\u003eProvide antimicrobial exposure without UV light\u003c\/li\u003e\n\u003cli\u003eIntegrate crop protection directly into the lighting system\u003c\/li\u003e\n\u003cli\u003eSupport use throughout flowering environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe antimicrobial channel’s output is concentrated around the 405nm violet-blue wavelength, distinctly separate from the fixture’s broad horticultural spectrum.\u003c\/p\u003e\n\u003ch3\u003eHigh-Efficiency Full-Spectrum Output\u003c\/h3\u003e\n\u003cp\u003eThe Guardian900W’s primary horticultural lighting system is rated at an average 2.7 µmol\/J PPE when operating without the antimicrobial cycling beam.\u003c\/p\u003e\n\u003cp\u003eMaximum PPFD reaches approximately 2,100 µmol\/m²\/s, giving the fixture the intensity demanding high-light cultivation requires. The fixture is especially suited to flowering applications while retaining the full-spectrum output needed for broader indoor horticultural use.\u003c\/p\u003e\n\u003ch3\u003ePremium Cree, Osram \u0026amp; Samsung LEDs\u003c\/h3\u003e\n\u003cp\u003eBoulderLamp uses established LED manufacturers throughout the Guardian900W’s primary horticultural lighting system. The full-spectrum array incorporates LEDs from:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCree\u003c\/li\u003e\n\u003cli\u003eOsram\u003c\/li\u003e\n\u003cli\u003eSamsung\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe dedicated antimicrobial channel uses LEDESTAR 405nm LEDs, so the horticultural and antimicrobial functions each run on purpose-selected LED systems rather than generating both types of output from the same diode package.\u003c\/p\u003e\n\u003ch3\u003eIndependent White \u0026amp; Red Spectrum Control\u003c\/h3\u003e\n\u003cp\u003eThe Guardian900W provides considerably more control than a conventional fixed-spectrum grow light. Its two-channel spectrum control lets the white and red portions of the horticultural spectrum be adjusted independently.\u003c\/p\u003e\n\u003cp\u003eBoth channels adjust from 100% down to 10%, letting growers modify overall intensity and spectral balance throughout the growth cycle and build more customized lighting strategies than a single fixed spectrum allows.\u003c\/p\u003e\n\u003ch3\u003eProgrammable Bluetooth Lighting Control\u003c\/h3\u003e\n\u003cp\u003eThe Guardian900W is designed to integrate with BoulderLamp’s compatible programmable lighting control system. With the appropriate BoulderLamp controller, growers can manage intensity, schedules, spectral balance and antimicrobial cycling from a connected control platform.\u003c\/p\u003e\n\u003cp\u003eLighting programs can be adjusted day by day, week by week or across the entire growth cycle — a significant advantage in commercial facilities where manually adjusting individual fixtures becomes impractical.\u003c\/p\u003e\n\u003ch3\u003eUp to 4’ x 5’ Coverage\u003c\/h3\u003e\n\u003cp\u003eThe Guardian900W is designed to provide uniform illumination across a coverage area of up to approximately 4’ x 5’.\u003c\/p\u003e\n\u003cp\u003eIts large physical footprint and six-bar architecture distribute LEDs across much of the target growing area rather than concentrating output into a small central source, creating more consistent photon distribution across rectangular growing areas.\u003c\/p\u003e\n\u003ch3\u003eSix-Bar LED Architecture\u003c\/h3\u003e\n\u003cp\u003eThe six-bar LED configuration spreads output across a large canopy. The fixture measures approximately 47” long x 43” wide x 2.5” high, creating a large light-emitting surface with a remarkably slim profile.\u003c\/p\u003e\n\u003cp\u003eThat combination of broad physical coverage and low-profile construction suits both conventional indoor rooms and space-conscious commercial growing configurations.\u003c\/p\u003e\n\u003ch3\u003eDesigned for Dense Canopies\u003c\/h3\u003e\n\u003cp\u003eWith maximum PPFD of approximately 2,100 µmol\/m²\/s, a large six-bar emitting surface and a flowering-oriented spectrum, the Guardian900W is built for high-intensity canopy lighting.\u003c\/p\u003e\n\u003cp\u003eFor commercial operators, this provides a combination of intensity and distribution designed around productive flowering environments.\u003c\/p\u003e\n\u003ch3\u003eMoisture-Protected LED Boards\u003c\/h3\u003e\n\u003cp\u003eIndoor cultivation can expose lighting equipment to elevated humidity over extended operating periods. BoulderLamp applies a Dow Corning silicone conformal coating to the Guardian900W’s LED boards.\u003c\/p\u003e\n\u003cp\u003eThe coating helps protect sensitive components from moisture, supporting consistent long-term output in commercial environments where fixtures may run for thousands of hours under elevated humidity.\u003c\/p\u003e\n\u003ch3\u003eCommercial 120–277VAC Operation\u003c\/h3\u003e\n\u003cp\u003eThe Guardian900W supports an operating voltage range of 120–277VAC, covering conventional 120V installations as well as the higher-voltage infrastructure common in commercial cultivation facilities.\u003c\/p\u003e\n\u003cp\u003eOperating at higher voltage also reduces current requirements, making the fixture adaptable to larger multi-light installations when the electrical system is appropriately designed.\u003c\/p\u003e\n\u003ch3\u003eVoltage-Specific Power Requirements\u003c\/h3\u003e\n\u003cp\u003ePower consumption varies with operating voltage and whether the antimicrobial lighting system is active. Manufacturer specifications list maximum input power of approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e120V:\u003c\/strong\u003e 900W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e208V:\u003c\/strong\u003e 885W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e240V:\u003c\/strong\u003e 880W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e277V:\u003c\/strong\u003e 875W\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElectrical planning should always be based on the voltage and configuration being installed.\u003c\/p\u003e\n\u003ch3\u003eChoosing a Voltage Configuration\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e120V\u003c\/strong\u003e — for standard residential and small-room installations running on conventional 120V circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e208–277V AC\u003c\/strong\u003e — for commercial facilities with higher-voltage electrical infrastructure, drawing lower current per fixture.\u003c\/p\u003e\n\u003ch3\u003eNon-UV Crop Protection Technology\u003c\/h3\u003e\n\u003cp\u003eOne of the Guardian900W’s most important distinctions is that its antimicrobial system does not rely on UV light. The dedicated 405nm output sits within the visible violet portion of the spectrum.\u003c\/p\u003e\n\u003cp\u003eFor growers who want integrated crop protection without adding a separate UV fixture, this is one of the Guardian900W’s most distinctive capabilities.\u003c\/p\u003e\n\u003ch3\u003eBuilt in the USA\u003c\/h3\u003e\n\u003cp\u003eThe BoulderLamp Guardian900W is built in the USA and designed around professional cultivation requirements.\u003c\/p\u003e\n\u003cp\u003eIts commercial voltage compatibility, premium LED components, moisture-protected circuit boards, programmable controls and six-bar construction position it as a long-term lighting platform rather than a basic consumer grow light.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBoulderLamp Guardian900W LED Grow Light\u003c\/li\u003e\n\u003cli\u003eIntegrated Full-Spectrum White \u0026amp; Red LED System\u003c\/li\u003e\n\u003cli\u003eIntegrated 405nm Antimicrobial LED System\u003c\/li\u003e\n\u003cli\u003eDimming \u0026amp; Independent Spectrum Control Capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Compatible BoulderLamp lighting controllers may be required for advanced Bluetooth programming, automated lighting recipes and centralized control. Controller hardware is not included unless specifically selected with the fixture.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBoulderLamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eGuardian900W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFull-Spectrum LED Grow Light with 405nm Antimicrobial Lighting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Application\u003c\/td\u003e\n\u003ctd\u003eIndoor Horticulture \/ Flowering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e6-Bar LED Array\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage Area\u003c\/td\u003e\n\u003ctd\u003eUp to 4’ x 5’\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAverage PPE\u003c\/td\u003e\n\u003ctd\u003e2.7 µmol\/J Full Spectrum Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum PPFD\u003c\/td\u003e\n\u003ctd\u003e2,100 µmol\/m²\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-Spectrum LEDs\u003c\/td\u003e\n\u003ctd\u003eCree, Osram \u0026amp; Samsung\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntimicrobial LEDs\u003c\/td\u003e\n\u003ctd\u003eLEDESTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntimicrobial Wavelength\u003c\/td\u003e\n\u003ctd\u003e405nm Visible Violet Light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e405nm Operation\u003c\/td\u003e\n\u003ctd\u003eOn Demand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpectrum Control\u003c\/td\u003e\n\u003ctd\u003eIndependent White \u0026amp; Red Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Range\u003c\/td\u003e\n\u003ctd\u003e10–100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController Compatibility\u003c\/td\u003e\n\u003ctd\u003eBoulderLamp Bluetooth Lighting Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e120–277VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Power @ 120V\u003c\/td\u003e\n\u003ctd\u003e900W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Power @ 208V\u003c\/td\u003e\n\u003ctd\u003e885W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Power @ 240V\u003c\/td\u003e\n\u003ctd\u003e880W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Power @ 277V\u003c\/td\u003e\n\u003ctd\u003e875W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Current @ 120V\u003c\/td\u003e\n\u003ctd\u003e7.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Current @ 208V\u003c\/td\u003e\n\u003ctd\u003e4.25A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Current @ 240V\u003c\/td\u003e\n\u003ctd\u003e4.05A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Current @ 277V\u003c\/td\u003e\n\u003ctd\u003e3.16A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU @ 120V\u003c\/td\u003e\n\u003ctd\u003e3,376\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU @ 208V\u003c\/td\u003e\n\u003ctd\u003e3,012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU @ 240V\u003c\/td\u003e\n\u003ctd\u003e3,001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU @ 277V\u003c\/td\u003e\n\u003ctd\u003e2,984\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 47” L x 43” W x 2.5” H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e28 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED Board Protection\u003c\/td\u003e\n\u003ctd\u003eDow Corning Silicone Conformal Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Manufacture\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"BoulderLamp","offers":[{"title":"120V","offer_id":67807573704954,"sku":"BOULDERLAMP-GUARDIAN-900W-120V","price":949.0,"currency_code":"USD","in_stock":false},{"title":"208-277V AC","offer_id":67807573737722,"sku":"BOULDERLAMP-GUARDIAN-900W-208-277V","price":949.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/7487\/9482\/files\/6a0931c7-8656-4462-93e4-2a36c20a77e9.png?v=1792505636","url":"https:\/\/cultivasupply.com\/products\/boulderlamp-guardian-900w-full-spectrum-led-grow-light","provider":"Cultiva Supply","version":"1.0","type":"link"}