300umol difference, surely that can't be right!
Yup, ive also seen Mars test out about 10% under spec. Maybe theyre quoting board efficiency but definitely a bit dodgy.
It's a typo on their page. Later down the page they show this.Mars FCE 8000 is 800w and 1500umol
HLG 650R is 630w, and 1781umol
FCE 8000 is grossly overrated for the watts
The HLG Diablo Scorpion in 650w and 2130umol 3.2 efficiency rating
While the HLG are more expensive. Its no contest about which ones are the most efficient per watt.
I dont see how both are rated for the same efficiency of 2.84 when the HLG 650R is putting out 281 more umol, and 170w less.
Am I dense, and missing something?? Its possible
I think its fairly common by the low range light makers to simply quote efficiency based not on tests but calculated board efficiency based on the datasheet. A bit shitty cause usually even so they play fast and lose, quoting nominal power efficiency for the juiciest spectrum (usually 5000k has the most photons per watt) when they are actually using a different spectrum and higher power per diode.
what's going on about your plants with mars hydro light? Mars Hydro 420 giveaway and promotion is coming, welcome to pay attention to the newest information.
I am trying multiple lights and concentrate on each 2 ft square of my 4x4 tent i like i can very the height and light dimming in each square
