Are you looking for the best 400w hps grow bulb? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 400w hps grow bulb.
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SaleBestseller No. 1
NEW! Eye Hortilux 400W Super HPS Hydroponics Enhanced Spectrum Grow Light Bulb
- Brand New **Hortilux Super HPS 400W** Enhanced Spectrum Grow Light!
- Optimizes spectral energy levels that promote vigorous plant growth
- Provides 17% more total energy and 25% more energy in the violet, blue, and green spectrum than standard high pressure sodium lamps
- Environmentally friendly and pass EPA TCLP test criteria as non hazardous waste
- Completely lead free and contain less mercury than standard HPS lamps
Bestseller No. 2
iPower GLBULBH400X2 400 Watt High Pressure Sodium Super Grow Light Lamp Full Spectrum HPS Bulb for...
- High lumen output: 400w, 55,000 lumens output, compatible with electronic and magnetic ballast, E39 base
- Special designed for plant growth: designed specifically for professional hydroponic plant cultivation. CCT 2,100K, optimized red & orange spectrum...
- Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 6,500 hours
- Exceptional bulb life: 32,000 hours. New long lasting life with a high lumen output and high power efficiency
- Note: allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again
Bestseller No. 3
Yield Lab 400w High Pressure Sodium (HPS) Digital HID Grow Light Bulb (2100K) – 1 Bulb –...
- POWERFUL INTENSITY: These HPS lamps are essential for quality spectral and lumen output. Each 400w HPS bulb emits 55,000 lumens of yellow/orange/red...
- SEE THE DIFFERENCE: These lights are designed and optimized for healthy and dense vegetative growth, and perfect for the flowering, blooming, and...
- MULTIPURPOSE FUNCTIONALITY: All Yield Labs HID bulbs pass UL and CE testing, making them safe to use for indoor growing. Plus, they are compatible...
- EFFICIENT OUTPUT: A red color temperature of 2100K is designed to increase fruiting and flowering volume up to 20% more than other bulbs on the...
- SATISFACTION GUARANTEE: We are proud to be an industry leader in grow equipment and stand by our professional grade products. That’s why we can...
Bestseller No. 4
YOOLUX 400W HPS Bulb (HIGH Pressure Sodium) for Indoor Plant,High PAR Promote Red and Orange...
- Efficient Flower Bulbs:Good Spectrum High PAR Efficiency Compared To Fluorescent Lights For Flowering And Fruiting.
- Affordable And Reliable:Industry leading lumen maintenance of 95% after running for 10,000hrs.
- High Lumen Output: Best suitable for big blooms and growing flowers.MIdinum Output For Home Hydroponics Growing System.
- HIGH QUALITY: It is nitrogen-filled with a quartz glass outer jacket for perfect optical quality.
- Affordable And Reliable: "CUSTOMER FIRST" is our goal, Our YOOLUX support team 24/7 stands by to Solve customer product usage problems.
Bestseller No. 5
iPower GLSETX400DHMAC6 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits...
- 400W digital dimmable electronic ballast: Support 120V/240V input; dimmable options: 50%, 75%, 100%; 8 feet heavy-duty power cord included; Stable...
- 1 x 400W super HPS bulb 2100K; 1 x 400W MH bulb 6000K: Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant...
- 1 x pair of 8-ft adjustable ratchet clip hanger rope: hold up to 150 lbs; 24-hour plug-in mechanical timer: 15 minutes increments
- 6-inch air cooled hood reflector: Up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord with E39 ceramic socket and standard hydroponic...
- Caution: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower...
Bestseller No. 6
iPower GLSETX400DHMWING20 Horticulture 400 Watt HPS MH Digital Dimmable Ballast Grow Light System...
- 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable...
- 1 x 400W Super HPS bulb 2100K; 1 x 400W MH bulb 6000K; optimized Spectrum and high PAR (photosynthetic active radiation) to promote healthy plant...
- 1 x pair of 8-ft adjustable ratchet clip hanger rope: hold up to 150 lbs
- 19-inch Wing Reflector: up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard Hydroponic...
- This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower grow light...
Bestseller No. 7
iPower GLSETX400DHAC6 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits Horticulture Air...
- 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable...
- 1 x 400W Super HPS Bulb; Color Temperature: 2100K; Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant growth...
- 1 x Pair of 8-ft adjustable Ratchet Clip Hanger Rope: hold up to 150 lbs; 24-hour Plug-in Mechanical Timer: 15 minutes increments
- 6-inch Air Cooled Hood Reflector: up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard...
- CAUTION: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower...
Bestseller No. 8
iPower GLBULBM400 400W Grow Light Bulb Metal Halide MH Conversion Lamp for Plants with High PAR...
- High lumen output: 400-watt, 36,000 lumens output, compatible with electronic and magnetic ballast, E39 base
- Special designed for plant growth: CCT 6,000K, enhanced blue & violet spectrum and high PAR (photosynthetic active radiation) to stimulate vegetative...
- Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 5,000 hours
- Exceptional bulb life: 12,000 hours. New long lasting life with a high lumen output and low energy consumption
- Note: allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again
Bestseller No. 9
iPower GLBULBH400X2V1 400 Watt High Pressure Sodium Full Spectrum Grow Light Lamp HPS Bulb for...
- Special designed for plant growth: Designed specifically for professional hydroponic plant cultivation. CCT 2,100K, optimized red & orange spectrum...
- High lumen output: 400w, 55,000 lumens output, compatible with electronic and magnetic ballast, E39 base
- Exceptional bulb life: 32,000 hours. New long lasting life with a high lumen output and high power efficiency
- Extra-low lumen depreciation: Maintaining over 90% of initial lumen output after running for 6,500 hours
- Note: Allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again
Bestseller No. 10
iPower 400W CCT 2100K Pressure Sodium HPS Grow Light Bulb Lamp with High PAR Enhanced Red and Orange...
- Special designed: designed specifically for professional hydroponic plant cultivation. CCT 2,100K, optimized red & orange spectrum and high PAR...
- High lumen output: 400 watt, 55,000 lumens output, compatible with electronic and magnetic ballast, E39 base
- Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 6,500 hours
- Exceptional bulb life: 32,000 hours. New long lasting life with a high lumen output and high power efficiency
- Note: allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again
Bestseller No. 11
Vegelumax 2-Pack 400W HPS Super Grow Light Bulb ,High PAR Enhanced Red and Orange Spectrum for...
- High lumen output: Compatible with electronic and magnetic ballast, Ultra Bright at 55000 Lumens output, E39 base;Designed specifically for...
- Special designed for plant growth: designed specifically for professional hydroponic plant cultivation. CCT 2,100K, optimized red & orange spectrum...
- Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 5,000 hours;
- Exceptional bulb Lifetime: Long lasting life over 20,000 hours with a high lumen output and high power efficiency 140 lm/W. New long lasting life with...
- Startup Time:allow 3-5 minutes for full bright. Please do wait at least 5 minutes after power shut off before striking again;
Bestseller No. 12
eGrow 400w HPS Grow Light Kit | Complete Digital Ballast, HPS Bulb, and Fixture System
- Electrical: 400 watts, approx. 3.33 amps @ 120v | System Includes: 400w eGrow Digital ballast, 400w Horticultural-Grade HPS Bulb, Ultra Reflective...
- High frequency digital ballst provides more lumens than magnetic ballasts for improved yields | Soft start ignition improves power efficiency by 15%...
- 400-watt high pressure sodium (HPS) bulb provides enhanced horticultural spectrum & 55,000 lumen output
- Suggested garden coverage area: up to 4' x 4'
- Ballast measures: 8.625" x 4" x 2.75" ; Reflector measures: 16" long x 13" wide x 6" deep - hanger attachment hardware included
Bestseller No. 13
HTG Supply 400-Watt High Pressure Sodium (HPS) Complete Grow Light, Bulb Included
- Electrical: 400 watts, approx. 3.33 amps @ 120v ; ballast features built-in 10' power cord with standard-household grounded plug (NEMA 5-15) and...
- Innovative open-air remote ballast design ; ballast handle features key holes for easy wall mounting
- Includes high-output 400-watt high pressure sodium (HPS) bulb with enhanced horticultural spectrum & 55,000 lumen output
- Suggested coverage area: 4' x 4'
- Ballast measures: 9" long x 4" wide x 5.5" high ; Reflector measures: 16" long x 13" wide x 6" deep - hanger attachment hardware included
Bestseller No. 14
iPower GLCLTB6X4 6 Inch Hydroponics Cool Tube Reflector 250W, 400W, 600W, 1000W HPS MH Grow Light...
- Dimension: 24 x 6 in, air duct: 6''; up to 4’ x 4’ light coverage. Built-in 15 feet heavy-duty lamp cord with E39 ceramic mogul socket and...
- High-reflectivity: painted white panels with 0.4mm highly 95% reflective textured German aluminum, can intensify light and enlarge lighting area
- Suitable for multiple watts and models: fits for 250W, 400W, 600W, 1000W HPS/ MH grow light system
- Effective air cool: 6-inch air duct ensure air passes easily through both ends of the reflector for maximum inline air cooling and protect your plants...
- Twice the power and efficiency of most other reflectors: perfect for you to enlarge your grow area and harvest more
Bestseller No. 15
HPS Grow Light Bulb Lights- Protopia HPS400WT46 400 Watt High Pressure Sodium Growing Lights 2000K,...
- MORE NATURE GROWTH with enhanced green and blue light
- ULTRA HIGH OUTPUT:700μmol/s to achieve maximum vegetative growth
- PEAKS IN THE FAR-RED RANGE to stimulate metabolic activity in flowering.
- Color Temp: 2000K, Luminous Flux (LM): 56000, CRI:25, Base: E39，LONG LIFETIME: 24000hours lifespan with 1 year warranty
- Allow 3-5 mins for full bright, wait at least 5 min after power shut off before striking again
Bestseller No. 16
iPower GLSETX400DHMCT6 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits Horticulture...
- 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable...
- 1 x 400W Super HPS bulb 2100K; 1 x 400W MH bulb 6000K; optimized Spectrum and high PAR (photosynthetic active radiation) to promote healthy plant...
- 1 x pair of 8-ft adjustable ratchet clip hanger rope: hold up to 150 lbs. ; 24-hour plug-in mechanical timer: 15 minutes increments
- 6-inch Cool Tube Reflector with Add-on Wing: Up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord (UL Listed) with E39 Ceramic Mogul...
- Caution: this system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower...
Bestseller No. 17
HTGSupply 3 x 3 (39"x39"x79") Grow Tent Kit Complete with 400-Watt HPS Grow Light + DWC Hydroponic...
- Complete 'plug-and-play' hydroponic grow tent kit ; all equipment necessary to start growing indoors, professionally configured for success
- Electrical (combined): 474 watts, approx. 3.95 amps @ 120 volts ; all appliances plug into standard-household grounded power outlets (NEMA 5-15)
- Kit Includes: (1) AgroMax Original grow tent, (1) HTG Supply 400-watt complete HPS grow light with bulb, (1) pair rope ratchet grow light hangers, (1)...
- Comes with individual equipment instructions ; plants are not included
- Overall kit measurements: 39" long x 39" wide x 85" high
Bestseller No. 18
TOPHORT 400 Watts Digital Dimmable Electronic Ballast for HPS MH Grow Light Bulb Lamp (400W, Blue)
- 【Specification】:Rating input current 2.89,Start current 0.96,Operating temperature -20~50,Waterproof level IP65, Net weight <3 KG.
- 【Suitable for MH and HPS】:TOPHORT electronic dimmable ballast compatible with both MH and HPS bulbs,120V and 240V power supplies.
- 【Stable Output Voltage】:High-frequency output results in less power loss (50/60Hz Frequency).
- 【Super-Safety】:TOPHORT digital ballasts are tuned for minimal total harmonic distortion (THD%) 99% Power factors replaceable outset fuse by input...
- 【Guarantee Assurance】:Our TOPHORT HPS grow light ballasts are UL Certified and come with a 2-year warranty against manufacturer defects. If your...
Bestseller No. 19
HONGVILLE HPS High Pressure Sodium Grow Light Bulb for Plant Growth, 400 W
- Great for growing a garden indoors, you'll need extra lighting in order to produce healthy and dense vegetation
- Hps (high pressure sodium) grow lights emit a strong, warm white light that helps to stimulate plant and flower growth
- Hps grow lights tend to be much more efficient than other alternatives and have a longer life span, saving you money on energy bills and replacements
- High pressure sodium light helps stimulate flower and fruit production in plants more efficiently
- It is best to use hps grow lights for the fruiting and flowering phase of plant growth or in a 4:1 ratio of hps to MH for best results
Bestseller No. 20
iPower GLCLTB6XL-a 6 Inch Hydroponics Cool Tube Reflector 250W, 400W, 600W, 1000W HPS MH Grow Light...
- Dimension: 29 x 26 x 8 in, air duct: 6''; up to 5’ x 5’ light coverage. Built-in 15 feet heavy-duty lamp cord with E39 ceramic mogul socket and...
- High-reflectivity: painted white panels with 0.4mm highly 95% reflective textured German aluminum, can intensify light and enlarge lighting area
- Effective air cool: 6-inch air duct ensure air passes easily through both ends of the reflector for maximum inline air cooling and protect your plants...
- Twice the power and efficiency of most other reflectors: perfect for you to enlarge your grow area and harvest more
- Suitable for multiple watts and models: fits for 250W, 400W, 600W, 1000W HPS/ MH grow light system
Having trouble finding a great 400w hps grow bulb?
This problem is well understood by us because we have gone through the entire 400w hps grow bulb research process ourselves, which is why we have put together a comprehensive list of the best 400w hps grow bulbs available in the market today.
After hours of searching and using all the models on the market, we have found the best 400w hps grow bulb for 2023. See our ranking below!
How Do You Buy The Best 400w Hps Grow Bulb?
Do you get stressed out thinking about shopping for a great 400w hps grow bulb? Do doubts keep creeping into your mind?
We understand, because we’ve already gone through the whole process of researching 400w hps grow bulb, which is why we have assembled a comprehensive list of the greatest 400w hps grow bulb available in the current market. We’ve also come up with a list of questions that you probably have yourself.
John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 400w hps grow bulb that you consider buying. Your questions might include the following:
- Is it worth buying an 400w hps grow bulb?
- What benefits are there with buying an 400w hps grow bulb?
- What factors deserve consideration when shopping for an effective 400w hps grow bulb?
- Why is it crucial to invest in any 400w hps grow bulb, much less the best one?
- Which 400w hps grow bulb are good in the current market?
- Where can you find information like this about 400w hps grow bulb?
We’re convinced that you likely have far more questions than just these regarding 400w hps grow bulb, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.
Potential sources can include buying guides for 400w hps grow bulb, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 400w hps grow bulb. Make sure that you are only using trustworthy and credible websites and sources.
John Harvards provides an 400w hps grow bulb buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.
How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 400w hps grow bulb currently available on the market.
This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:
- Brand Value: Every brand of 400w hps grow bulb has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an 400w hps grow bulb?
- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your 400w hps grow bulb.
- Customer Ratings: Number ratings grade 400w hps grow bulb objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 400w hps grow bulb.
- Product Quality: You don’t always get what you pay for with an 400w hps grow bulb, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an 400w hps grow bulb is should be an indication of how long it will work out for you.
John Harvards always remembers that maintaining 400w hps grow bulb information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.
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