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The Best 400W Mh Bulb of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 400W Mh Bulb of 2022. Check our ranking below.

2,191 (random num) Reviews Scanned

Rank No. #1
iPower GLBULBM400 400W Grow Light Bulb Metal Halide MH Conversion Lamp for Plants with High PAR Enhanced Blue and Violet Spectrums CCT 6000K
  • 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 growth. Ideal for rapid growth phase of plants. Greatly accelerates flower growth and enhance fruiting
  • 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
SaleRank No. #2
Hortilux Eye Daylight Blue Metal Halide MH Plant Grow Light Lamp Bulb E-Ballast Compatible, 400W
  • Is e-ballast compatible
  • Keeps plants compact and directs more energy into flower production
  • Features the exclusive Hortilux spectrum
  • Is perfect for professional uses, including: in-plant physiological research, biotechnology industry and pharmacology industry
  • Feature a one-year warranty
Rank No. #3
Eye Hortilux Bulb MH 400W E-start
  • Hydrofarm only offers the best bulbs in the industry
  • Backed by manufacturer’s warranty
  • Great for indoor gardening or supplemental greenhouse lighting
  • We carry all HPS, MH, CMH, DE bulbs
  • Another great item from Flora Hydroponics
Rank No. #4
iPower GLBULBM400X2 Grow Light Bulb Metal Halide Conversion Lamp for Plants with High PAR Enhanced Blue and Violet, 400W MH, Spectrums CCT 6000K 2 Pack
  • High lumen output: 400-watt, 36,000 lumens output, compatible with electronic and magnetic ballast, E39 base. Color temp 4200 K, special designed for plant growth
  • Enhanced blue & violet spectrum and high PAR (photosynthetic active radiation) to stimulate vegetative growth. Ideal for rapid growth phase of plants. Greatly accelerates flower growth and enhance fruiting
  • Exceptional bulb life: 12, 000 hours. Long lasting life with a high lumen output and low energy consumption
  • Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 5, 000 hours
  • Startup time: allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again
Rank No. #5
iPower 6-Pack 400 Watt Vegetative Metal Halide Lamp MH Conversion Grow Light Bulb Lamp-Enhanced Blue and Violet Spectrums CCT 6000K 36000 Lumens
  • High lumen output: 400-watt, 36,000 lumens output, compatible with electronic and magnetic ballast, E39 base. Color temp 6000K, special designed for plant growth
  • Enhanced blue & violet spectrum and high PAR (photosynthetic active radiation) to stimulate vegetative growth. Ideal for rapid growth phase of plants. Greatly accelerates flower growth and enhance fruiting
  • Exceptional bulb life: 12, 000 hours. Long lasting life with a high lumen output and low energy consumption
  • Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 5, 000 hours
  • Startup time: allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again
Rank No. #6
iPower GLBULBM400X2V1 400W Grow Light Bulb Metal Halide MH Conversion Lamp for Plants with High PAR Enhanced Blue and Violet, 2 Count (Pack of 1), Spectrums CCT 6000K
  • High lumen output: 400W, 36, 000 lumens output, compatible with electronic and magnetic ballast, E39 base
  • Special designed for plant growth: designed specifically for professional hydroponic plant cultivation. CCT 6, 000K, enhanced blue & violet spectrum and high PAR (photosynthetic active radiation) to stimulate vegetative growth
  • 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
  • Allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again. Package includes 2 pack bulbs
Rank No. #7
iPower GLCLTB6X4 6 Inch Hydroponics Cool Tube Reflector 250W, 400W, 600W, 1000W HPS MH Grow Light Add-on Wing, 4-Pack, High-Reflectivity Aluminum Hood, No Bulbs Included
  • 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 standard hydroponic s-plug (need to be used with iPower ballast)
  • 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 from excessive heat
  • Twice the power and efficiency of most other reflectors: perfect for you to enlarge your grow area and harvest more
Rank No. #8
eGrow 400 Watt Digital Grow Light Ballast for HPS MH Bulbs, Indoor Grow Lamps, Horticulture
  • For use with 400 Watt HID (HPS/MH) grow light bulbs | multi-volt input 120V/240V | 8 foot heavy-duty grounded power cord included
  • High frequency lamp drive provides more lumens than magnetic ballasts for improved yields | Soft start ignition improves power efficiency by 15% or more over magnetic
  • Automatically adjusts for HPS and MH light bulbs | Fast lamp ignition | Stable voltage output | Virtually silent operation
  • Built-in cooling fan and integrated heat sink housing minimize ballast component temperatures for extended life and performance
  • Measures: 8.625" x 4" x 2.75" | Plug Type: NEMA 5-15 (120v Grounded Cord) | Standard-type socket cord receptacle
Rank No. #9
Premium German Made Nachroma MH Grow Lamp 400W E39
  • 400W Metal Halide Conversion Lamp
  • Base Type: E39
  • 480 Micromol/s - 7000K - 39,000 Lumens
  • Rated Life of 12,000 Hours
  • For use on any HPS S51 ballast
Rank No. #10
115W LED Shoebox Corn Retrofit Lamps, Rotatable E39 Mogul Base, 5000K 15500 LM (400-500W MH Equiv.) 180° Commercial LED Paddle Bulb for Retrofitting Parking Lot Wall Pack Flood Lighting Fixtures
  • 🌞 ONE DIRECTION IS MORE EFFICIENT - Rotatable E39 base! If your fixture only produce light in one direction, why waste energy in places that you don’t need to use ? You can often use 20-30% less watts with a 180 degree bulb compared to a 360 degree bulb. Rotate the base where you need it.
  • 🌞 SUPER BRIGHT AND ENERGY SAVING - This 115W LED Retrofit corn bulb uses the latest LED chips that generate a stunning 16,100 lumen output at 140lm/W, rated for 100-277vlts. Designed to retrofit up to 350-450 watt Metal Halide. Ballast Removal Required. Direct wire only. Cut down your electricity bill by 80%.
  • 🌞 LONG LIFETIME - Our 115W LED retrofit light bulb has excellent heat management with High quality aluminum Heat Sink and Built-in fun ensure long life performance over 50,000 hours. (23 years based on 6hours/day). Low brightness decay, that means the output of corn bulb can remain 5 times longer than traditional MH or HID bulb.
  • 🌞 EASY & SAFETY INSTALLATION - Comes with Rotatable E39 Mogul Base that makes it easy to direct the light in the right position when installing in a fixture. Retrofit old metal halide/HPS bulbs of shoebox area parking lots light, wall packs, canopy, high bays, street lights, gas station fixtures, flood lights and etc.
  • 🌞 REBATE ELIGIBLE and WARRANTY - This commercial LED retrofit lamps with UL DLC certifications to ensure energy rebates, LED Flying Direct is a professional LED manufacturer, we’ll always offer you lasting safety and reliability backed by a 5-year warranty to cover any defects or quality control issues. For a bulk order, email us in advance to get a different offer. Any LED technical questions or need design advice and installation, contact with us freely.

Last update on 2023-02-07 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best 400W Mh Bulb?

Do you get stressed out thinking about shopping for a great 400W Mh Bulb? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching 400W Mh Bulb, which is why we have assembled a comprehensive list of the greatest 400W Mh Bulb available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve 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 Mh Bulb that you consider buying. Your questions might include the following:

  • Is it worth buying an 400W Mh Bulb?
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  • What factors deserve consideration when shopping for an effective 400W Mh Bulb?
  • Why is it crucial to invest in any 400W Mh Bulb, much less the best one?
  • Which 400W Mh Bulb are good in the current market?
  • Where can you find information like this about 400W Mh Bulb?

We’re convinced that you likely have far more questions than just these regarding 400W Mh 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 Mh 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 Mh Bulb. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 400W Mh 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 Mh 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:

  1. Brand Value: Every brand of 400W Mh 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.
  2. Features: What bells and whistles matter for an 400W Mh Bulb?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 400W Mh Bulb.
  5. Customer Ratings: Number ratings grade 400W Mh Bulb objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 400W Mh Bulb.
  7. Product Quality: You don’t always get what you pay for with an 400W Mh Bulb, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 400W Mh Bulb is should be an indication of how long it will work out for you.

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