10 Best 400 Watt Grow Light Bulb (2022) – Guide From Expert

There are a lot of different factors to consider when purchasing 400 Watt Grow Light Bulb. However, the research process can be made significantly easier by narrowing down your options to a specific model. In this article, we will be focusing on the Best 400 Watt Grow Light Bulb.

We will go over its different features and compare them to other market models. By the end of this article, you should have a good idea of whether or not the 400 Watt Grow Light Bulb is the right car for you.

Overview Chart For Best 400 Watt Grow Light Bulb

Top 10 Best 400 Watt Grow Light Bulb

SaleBestseller No. 1
SANSI Grow Light Bulb with COC Technology, PPF 65.6 umol/s LED Full Spectrum, 36W Grow Lamp (400 Watt Equivalent) with Optical Lens for High PPFD, Energy Saving Plant Lights for Seeding and Growing
  • 4000K DAYLIGHT: Imitate the solar spectrum, customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm; Color rendering index Ra is close to 100, infinitely close to natural light, suitable for every cycle of plant growth, effectively promotes plant growth, and improves crop yield and quality.
  • SECONDARY OPTICAL DESIGN: PPF: 65.6 umol/s, PPFD: 265.58 μmol/s/㎡ @ 1ft. Through the lens for secondary scientific light distribution, improve light utilization, give plants more supplementary light, and improve light bulb lifespan to 25,000 hours.
  • PATENTED COC TECHNOLOGY: Chip on Ceramic, SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, and directly solder the LED chip on the ceramic heat sink, effectively reducing the system thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, makes the SANSI bulb has higher light efficiency.
  • SAFE & RELIABLE: The lamp body is made of special ceramic material, and the flame retardant grade reaches V0; the reinforced insulation structure design, no risk of electric shock, is safer; the whole shell material reaches the WF2 anti-corrosion grade, which is more reliable and durable; low IR, less heat radiation, avoiding close Distance exposure burns plants.
  • GUARANTEES: ETL listed & CE certification, quality and safety verified, 5 years warranty.
Bestseller No. 2
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
Bestseller No. 3
VIVOSUN 1-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens
  • 400W VIVOSUN HPS bulb compatible with electronic and magnetic ballasts, 55000 Lumens, E39 Base
  • Optimized 2100K red & orange spectrum and high PAR (Photosynthetic Active Radiation) to stimulate flower growth and enhance fruiting
  • Extra-low Lumen Depreciation: Maintaining over 90% of initial lumen output after running for 5,000 hours
  • Startup Time: Allow 2-3 mins for full bright; After power off, do please wait at least 5 mins before striking again
  • Lifetime: 24,000 hours
SaleBestseller No. 4
SYLVANIA 400W Plantastar High Pressure Sodium Grow Light, T14.5, 50,000 Lumens, E39 Base, 100 Volts, 2100K, Clear - 1 Pack (65308)
  • RIGHT SPECTRUM OF LIGHT FOR PLANTS: These HID grow lights are for all stages of growth (vegetative, flowering, seeding, & budding) for any plant species. Our lamps provide a wider light spectrum to encourage healthy plant growth and more yield.
  • BEST-IN-CLASS: SYLVANIA HID grow lights are ideal for greenhouses and rapid growth gains. Product creates 600 µmol/s of PPF.
  • DESIGNED TO LAST: With a lifetime of 24,000 hours, spend less time replacing and more time sustaining plant growth.
  • VERSATILE: Contains an E39 Mogul base, comes in a clear finish and ellipsoid lamp shape. 400W and 100 Volts. ANSI ballast S51.
  • WARRANTY: Backed by our standard 5-year warranty - satisfaction guaranteed.
Bestseller No. 5
iPower GLBULBH400X2 400 Watt High Pressure Sodium Super Grow Light Lamp Full Spectrum HPS Bulb for Plants, 400W, white
  • 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 and high PAR (photosynthetic active radiation) to stimulate flower growth and enhance fruiting
  • 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
SaleBestseller No. 6
Metal Halide Grow Light Bulb - Protopia MH400WT46 MH 400 Watt Growing Lights, Enhanced Blue Spectrum ,for Indoor Plants, 6000K, 36000Lumens, Great for Commercial Applications,1-Pack ,
  • MIMICS SPRING TIME LIGHT, promoting short internomal spacing and lush growth
  • GREAT FOR COMMERICAL APPLICATIONS where a large vegetative footprint is required
  • HIGH QUALITY QUARTZ GLASS for consistent spectral output and PAR production
  • Color Temp: 6000K, Luminous Flux (LM): 36000, CRI:70, Initial PAR: 500μmol/s, Base: E39, Pulse start capable,LONG LIFETIME: 10000hours 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. 7
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. 8
iPower 400W CCT 2100K Pressure Sodium HPS Grow Light Bulb Lamp with High PAR Enhanced Red and Orange Spectrums for Plants Growth, Transparent
  • Special designed: designed specifically for professional hydroponic plant cultivation. CCT 2,100K, optimized red & orange spectrum and high PAR (photosynthetic active radiation) to stimulate flower growth and enhance fruiting
  • 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. 9
SGLEDs Full Spectrum Plan Light Bulb LED Grow Light Bulb A21 Bulb Grow Light Bulb with Ceramic Technology Plant Light Bulbs E26 Base 36W Grow Bulb 400W Equivalent for Indoor Plants Seed Starting
  • The secondary optical design: PPF: 65.6 umol/s, PPFD: 265.58 μmol/s/㎡ @ 1ft. Through the lens for secondary scientific light distribution, improve light utilization, give plants more supplementary light, and improve light bulb lifespan to 25,000 hours.
  • Imitate the solar spectrum: Customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm; Color rendering index Ra is close to 100, infinitely close to natural light, suitable for every cycle of plant growth, effectively promotes plant growth, and improves crop yield and quality.
  • Patented Ceramic technology: Chip on Ceramic, SGLEDS's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, and directly solder the LED chip on the ceramic heat sink, effectively reducing the system thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, makes the SGLEDS bulb has higher light efficiency.
  • Safe and Reliable: The lamp body is made of special ceramic material, and the flame retardant grade reaches V0; the reinforced insulation structure design, no risk of electric shock, is safer; the whole shell material reaches the WF2 anti-corrosion grade, which is more reliable and durable; low IR, less heat radiation, avoiding close Distance exposure burns plants.
  • Guarantees: ETL listed & CE certification, quality and safety verified, 5 years warranty.
Bestseller No. 10
iPower GLBULBM400A 400W Grow Light Bulb Metal Halide MH Conversion Lamp for Plants with High PAR Enhanced Blue and Violet, 1 Count (Pack of 1), Spectrums CCT 6000K
  • 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

Noticeable Factors Before Buying 400 Watt Grow Light Bulb

There are a few reasons why it’s essential to read a buying guide before purchasing. First, a buying guide can help you learn about a product before buying it. This can be especially helpful if you’re considering a big purchase. Reading a buying guide can help you narrow down your options and choose the best product for your needs.

Second, a buying guide can help you compare products. If you’re trying to decide between two similar products, a buying guide can help you see the differences and decide. Third, a buying guide can help you find the best deals. If you know what you’re looking for, you can use a buying guide to find the retailers offering the best prices on that product.

Finally, a buying guide can save you time. If you take the time to read a buying guide before you start shopping, you’ll be able to narrow down your options and know what to look for when you’re at the store. This can save you from spending hours browsing through products that you’re not interested in.

Overall, reading a buying guide before you make a purchase can save you time and money. It’s an essential step in the shopping process that shouldn’t be overlooked.

When you are looking to buy a 400 Watt Grow Light Bulb, you should keep a few things in mind. First, you should consider what you need the 400 Watt Grow Light Bulbfor. This will help you narrow down your options and find the right product for your needs

. Next, you should think about your budget. This will help you find a 400 Watt Grow Light Bulbthat fits your price range. Finally, it would help if you read reviews of the 400 Watt Grow Light Bulbyou are interested in. This will help you learn about the quality of the 400 Watt Grow Light Bulband what others think about it

.When purchasing any 400 Watt Grow Light Bulb, it is essential to consider a few factors to make the best decision for your needs. Here are a few tips to help you buy the right 400 Watt Grow Light Bulb:

1. Define your needs: Before shopping for any 400 Watt Grow Light Bulb, it is essential to take a step back and evaluate what you need the 400 Watt Grow Light Bulbfor. This will help you narrow down your choices and find the best 400 Watt Grow Light Bulbfor your needs.

2. Research your options: Once you know what you need, it is time to start researching your options. Read reviews, compare prices, and look for any features that are important to you.

3. Compare prices: When you have a few products in mind, it is time to start comparing prices. Make sure to compare apples to apples, and don’t forget to factor in shipping costs.

4. Functionality: What do you need the 400 Watt Grow Light Bulbto do? Make sure the 400 Watt Grow Light Bulbyou are considering meets your needs.

5. Quality: What is the quality of the 400 Watt Grow Light Bulb? Make sure to read reviews to get an idea of what others think of the 400 Watt Grow Light Bulb.

6. Brand: Do you have a preference for a particular brand? Consider the brands you trust and look for 400 Watt Grow Light Bulbthat meet your standards.

7. Features: What features are you looking for? Make sure the 400 Watt Grow Light Bulbyou choose has the features you want.

8. Warranty: Do you want a warranty? Make sure the manufacturer’s warranty covers the product you purchase.

9. Returns: What is the return policy? If you are not satisfied with the product, it is essential to know the return policy before making your purchase.

10. Ask for recommendations: If you are still having trouble making a decision, ask your friends or family for their recommendations. Someone you know has already purchased a similar product and can give you their honest opinion.

11. Read the fine print: Once you have finally made your decision, read the fine print before making your purchase. This includes the product’s warranty, return policy, and other important information.

The Final Verdict

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