As opposed to HID which has a much worse spectrum.
Lower colour temp cobs fit nicely with the McRee curve, HPS has a shitton of yellow/orange.
The difference is with LED you actually have a choice and then choose for suboptimal.
Those remind me too much of the mercury vapor lamps. They always give me that 'creepy' vibe for some reason or another....
Never seen those mercury vapor lamps in the streets, these are definitely leds. In urban areas they are white and bright as fuck. Can be hurtful on the eyes, this pic is actually from an article where people complained about the brightness:
These will be blurple some day:
Many already are:
This was a test run that made the news because people were like wtf is all that purple light...
It's actually from a hybrid setup though no idea if the hps was on.
The goal is to heat all the greenhouses with geothermal heat.
http://www.hortidaily.com/article/3920/Netherlands-VB-Projects-realises-geothermal-heat-connection-and-network-for-ECW-in-Wieringermeer
They aren't just going for climate neutral either, they are supposed to become power plants.
Electricity saving is a promise LED can already live up to, applying it to plants is another story. White cobs for grow led is ironic and like
@FranJan posted today: "COBs r sooooo dead" "Fuck COBs, I count the days till they die and I'm also counting the days till June so I can upgrade my Veros
. The only people who think COBs are here to stay are the ones with inventory" "Sorry but IMHO COBs are nothing more than a waypoint, they are far from perfect, especially for growing"
Inside information from the Bibled sekt ^^