{"product_id":"led-aquarium-blue-light-bulb-18w-36w-equivalent-blue-450-460nm","title":"LED Aquarium Blue Light Bulb 18W (36W Equivalent) - Blue 450-460nm","description":"\u003cp\u003eIn this review the LED Aquarium Blue Light Bulb proves to be a focused solution for indoor gardeners and aquarium hobbyists who need a concentrated blue spectrum for vegetative growth and rooting. The single biggest reason to buy is the high-power, all-blue 450-460nm LED array that targets the spectrum most useful for leaf development and aquarium plant photosynthesis; it is easy to install in standard E26\/E27 fixtures and runs cool enough for extended use. Reviewers found it especially effective for seedlings, cuttings and accelerating initial plant development.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh power LED array:\u003c\/strong\u003e Eighteen 2W LEDs deliver a strong blue output that raises PAR in the active growth band for veg and aquarium plants.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFocused 90 degree lens:\u003c\/strong\u003e The optical lens concentrates light into a usable footprint for small tents and aquarium tanks without wasting side spill.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWide voltage compatibility:\u003c\/strong\u003e Works with 100-240V AC and fits standard E26\/E27 sockets for simple plug-in installation.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eImproved heat dissipation:\u003c\/strong\u003e Upgraded aluminum cooling heat sinks help keep operating temperature down during long runs.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompact coverage:\u003c\/strong\u003e Provides a useful core coverage at 24 in of about 1x1 ft and a max close-range spread near 1.5x1.5 ft for seedlings and small tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe bulb suits hobby growers who want a targeted blue spectrum for vegetative stages, seedling racks, rooting cuttings or aquarium plants; it is a good match for mini grow tents, small greenhouse racks and tanks where a compact, high-intensity blue source is needed. Installers who need a simple screw-in solution with low setup fuss will appreciate the E26\/E27 compatibility and wide voltage range.\u003c\/p\u003e\n\u003cp\u003eIt is not ideal as a sole full-cycle light for larger gardens or for flowering stages that require a broader spectrum including red. Buyers who need wide-area coverage or multi-spectrum fixtures for full growth cycles should look to larger multi-spectrum panels instead.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eStrong, concentrated blue output that promotes veg growth and rooting in cuttings.\u003c\/li\u003e\n \u003cli\u003eRelatively low heat generation thanks to the upgraded aluminum heatsink design.\u003c\/li\u003e\n \u003cli\u003eEasy to use in common sockets and compatible with 100-240V systems worldwide.\u003c\/li\u003e\n \u003cli\u003eGood value for a compact, high-PAR blue-only bulb for small setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eAll-blue spectrum limits usefulness for flowering or full-cycle growth where red light is also needed.\u003c\/li\u003e\n \u003cli\u003eSome users reported mixed durability, with a few units failing earlier than expected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eModel power\u003c\/td\u003e\n\u003ctd\u003e18W (36W equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eLED count\u003c\/td\u003e\n\u003ctd\u003e18 x 2W LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSpectrum\u003c\/td\u003e\n\u003ctd\u003eBlue 450-460nm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eLens angle\u003c\/td\u003e\n\u003ctd\u003e90 degree optical lens\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSocket\u003c\/td\u003e\n\u003ctd\u003eE26 \/ E27 (PAR38 form)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eInput voltage\u003c\/td\u003e\n\u003ctd\u003e100-240V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCore coverage at 24 in\u003c\/td\u003e\n\u003ctd\u003e1 x 1 ft (max ~1.5 x 1.5 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe LED Aquarium Blue Light Bulb is a practical, budget-friendly pick for users who need a compact, high-intensity blue source for seedlings, cuttings and aquarium plants; its targeted 450-460nm output and decent heat management make it good value for small-scale veg work. Those needing broader spectrum or long-term reliability for large installations should consider multi-spectrum fixtures or larger commercial units.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this bulb fit standard household fixtures?\u003c\/strong\u003e\u003cbr\u003eYes, it is built in a PAR38 form to fit standard E26\/E27 screw sockets and works on 100-240V AC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for flowering plants?\u003c\/strong\u003e\u003cbr\u003eNo, this bulb is an all-blue 450-460nm source optimized for veg and rooting; flowering benefits from red wavelengths not provided here.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it run hot during extended use?\u003c\/strong\u003e\u003cbr\u003eThe upgraded aluminum heat sinks reduce temperature and users report relatively low heat generation even during long runs, though continuous use will still produce some warmth.\u003c\/p\u003e","brand":"HIGROW","offers":[{"title":"Default Title","offer_id":48264866169051,"sku":"B075RYNP18","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71ggFLHcNuL._AC_SL1500.jpg?v=1778268852","url":"https:\/\/gearmusthave.com\/products\/led-aquarium-blue-light-bulb-18w-36w-equivalent-blue-450-460nm","provider":"GearMustHave","version":"1.0","type":"link"}