Our Top 10 Best 400 Watt Hps Grow Reviews Of 2021

What 400 watt hps grows would you like assistance selecting? We ranked them based on expert opinions. You can see which best 400 watt hps grows are most popular, along with those that sell well.

Having trouble deciding on a 400 watt hps grow? We understand this problem because we have already performed 400 watt hps grow research.

This comprehensive 400 watt hps grow list includes the best 400 watt hps grows available today. Combining all the current models and hours of research led us to the top 400 watt hps grows of 2021. We've ranked! Here are our results!

The Top 10 Best 400 watt hps grows For 2021 Buyer's Guide

Bestseller No. 1
VIVOSUN 1-Pack 400 Watt High Pressure Sodium HPS Grow...
  • 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.
Bestseller No. 2
VIVOSUN Hydroponic 400 Watt HPS Grow Light Air Cooled...
  • Buyers must peel off the inner blue protective film before using; 6" Air Cooled Reflector: Over 90% high reflectivity aluminum ensures soonest flourish of your plants
  • UL Listed 400W Dimmable Ballast: Runs on 120~240V power supply, comes with 8ft 120V power cord
  • HPS Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation), Superior quality & optimized spectrum to promote growth
  • 24 Hour Plug-in Mechanical Timer Switch:Automates your lighting needs; Brings convenience & encourages productive growth with consistency of lighting. 15-minute On/Off, 24 hours settings; 125V, 15A, 60Hz, 1/2HP, 1875W Heavy duty construction; Timer mode can be turned off; ETL listed ensures top security & stability
  • US Patented 1/8" Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to ensure top-safety
Bestseller No. 3
VIVOSUN 2-Pack 400 Watt High Pressure Sodium HPS Grow...
  • 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.
Bestseller No. 4
iPower GLSETX400DHMWING20 Horticulture 400 Watt HPS MH...
  • 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable power output ensure flicker free light
  • 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 growth and soonest flourish
  • 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 S-Plug; highly 95% reflective textured German aluminum maximizes the light reflected to the plants
  • 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 systems. We recommend the use of an iPower inline fan
Bestseller No. 5
Apollo Horticulture GLBHPS400 400 - Watt HPS Grow Light...
  • E39 Base 400watt Apollo Brand HPS bulb compatible with electronic and magnetic ballasts (56,000 Lumens)
  • High Pressure Sodium's Light Spectrum Stimulates Flower Growth and enhances Fruiting
  • 2000K Red-Orange Spectrum, Designed specifically for Professional Hydroponic Plant Cultivation
  • Expected Bulb Life: 24,000 Hours Improved Lamp Life and Lumen Output, 110V power voltage
  • Regulation: USA Federal Standard 21 CFR 1040.30 + Canada Standard S OR/80-382
Bestseller No. 6
iGrowtek 400W Super HPS Grow Light Bulb, High PAR...
  • Ultra-Bright at 55000 Lumens with optimal PAR output, this lamp falls at 2000K in the red and orange spectrum to stimulate lush, abundant harvests; Designed specifically for professional plant cultivation
  • Maintaining over 90% of initial lumen output after running for 5000 hours
  • Compatible with electronic and magnetic ballast, E39 Base
  • Allow 3-5 minutes for full bright; Please wait at least 5 minutes after power shut off before striking again
  • Long lasting life 24000hours with a high lumen output and high power efficiency 137lm/W
Bestseller No. 7
VIVOSUN Hydroponic 400 Watt HPS MH Grow Light Air...
  • Buyers must peel off the inner blue protective film before using; 6" Air Cooled Reflector: Over 90% high reflectivity aluminum ensures soonest flourish of your plants
  • UL Listed 400W Dimmable Ballast: Runs on 120~240V power supply, comes with 8ft 120V power cord, 150w/250w/400w/super lumens optional
  • HPS & MH Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation), Superior quality & optimized spectrum to promote growth
  • 24-Hour Mechanical Timer: 15-minute On/Off, 24 hours settings; 125V, 15A, 60Hz, 1/2HP, 1875W Heavy duty construction; Timer mode can be turned off
  • 1/8" Patented Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to ensure top-safety
Bestseller No. 8
VIVOSUN Hydroponic 400 Watt HPS MH Grow Light Wing...
  • Wing Reflector: Over 90% high reflectivity aluminum(no hot-spot) ensures soonest flourish of your plants
  • UL Listed 400W Dimmable Ballst: Runs on 120~240V power supply, comes with 8ft 120V power cord, 150w/250w/400w/super lumens opotional
  • HPS & MH Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation), Superior quality & optimized spectrum to promote growth
  • 24-Hour Mechanical Timer: 15-minute On/Off, 24 hours settings; 125V, 15A, 60Hz, 1/2HP, 1875W Heavy duty construction; Timer mode can be turned off
  • 1/8" Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to ensure top-safety
Bestseller No. 9
iPower 6 Inch Hydroponics Cool Tube Reflector Grow...
  • High-reflectivity: Painted white panels with 0.4mm highly 95% reflective textured German aluminum. Intensify light and enlarge lighting area
  • 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)
  • Effective air cool: 6-inch air duct ensures air passes easily through both ends of the reflector for maximum inline air cooling and protects your plants from excessive heat
  • Suitable for multiple watts and models: Fit for 250W, 400W, 600W, 1000W HPS/MH grow light system
  • Twice the power and efficiency of most other reflectors: Perfect for you to enlarge your grow area and harvest more
Bestseller No. 10
iPower GLBULBH400X2 400 Watt High Pressure Sodium Super...
  • 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

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When choosing a 400 watt hps grow, consider the following factors

Amazon, for example, is an excellent platform to shop for products such as 400 watt hps grows. New users may find it challenging to navigate the platform and to locate specific 400 watt hps grows.

When choosing a 400 watt hps grow on Amazon, you should consider the following factors:

Price

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Brand

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Function

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Old Customer Reviews

The majority of feedback from customers is related to the 400 watt hps grows they bought from Amazon. It is always possible to see reviews on product pages. Taking the time to review the 400 watt hps grow you are interested in will provide you with valuable information.

Summary

You only had to know that before a best 400 watt hps grow could be generated. Congratulations on your new purchase! I'm sure you'll be happy with it. Please feel free to provide us with feedback!

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