Vivosun 400 watt vegetative metal halide mh grow light bulb lamp enhanced blue and violet spectrums cct 4200k 36 000 lumens 4 4 out of 5 stars 234 12 99 12.
400 watt mh grow bulb.
With the 600 and 1000 watt bulb sizes being the most efficient ones.
Protopia metal halide grow light bulb mh400wt46 mh 400 watt growing lights for indoor plants 6000k 36000lumens great for commercial applications 1 year warranty 4 0 out of 5 stars 120 15 98 15.
Product title dabmar lighting dl lu400 da 20k 400 watt hps mogul b.
Apollo horticulture glbmh400 400 watt metal halide mh grow light bulb lamp 4 3 out of 5 stars 497.
Vivosun 400 watt vegetative metal halide mh grow light bulb lamp enhanced blue and violet spectrums cct 4200k 36 000 lumens 4 5 out of 5 stars 384 12 99 12.
Ipower glbulbm1000 1000 watt mh grow light bulb for magnetic and digital ballast 88 000 lumen high cri for daylight like performance regulation.
What is hard to cross in is that metal halides actually start out at very high efficiencies.
Commonly a 250watt 400 watt or 1000 watt.
Sunlite 03663 su mh400 u mog m59 metal halide lamp 400 watts mogul base e39 ed37 12 000 hour life span 36000 lumen clear finish 4 3 out of 5 stars 213.
50 list list price 78 98 78.
The reality is that they come in a large variety of options.
Vivosun 2 pack 400 watt vegetative metal halide mh grow light bulb lamp enhanced blue and violet spectrums cct 4200k 36 000 lumens 4 4 out of 5 stars 97 22 99 22.
Most large fixtures use metal halide bulbs.
For example a 400w mh bulb may output around 85 lumen per watt consumed while 600w bulbs output around 100 lumen per.
Like almost every hid bulb metal halide bulbs come in many sizes.
Vivosun hydroponic 400 watt vegetative metal halide mh grow light bulb lamp enhanced blue and violet spectrums 36 000 lumens.
A new metal halide bulb can get almost 100 lumens to watt.
The most commonly used sizes for indoor and supplemental lighting are 400 600 1000 watts.