Thanks so much everyone for your help!
How can they just burn out? I ran 3590 Cobs under the same conditions for almost 3 years without any problems!
The lm301b are Original Samsung from a trusted source in Germany (LED-TECH).
I am running two boards with 2x 480 Watts + 3 boards with 80 Watts...
My lm301b strip board (mothers & clones) started flickering all of a sudden after running it almost 5 months.
First, only some LED would stay off and flicker - meanwell more than 50% seem to be dead.
I built 4 identical boards and now the second board shows the same symptoms.
When I use the...
Hey Guys!
Could this possibly be a Calmag Deficiency?
Temps range from 22 to 26 Celcius and humidity is at 55%. I am growing on Soio with Drippers. Currently Day 29 of flower.
I am already using Calmag but probably not enough?
Thank You linky & Cobkits for your advice!!
Especially if my Meter is reading 20% less!!!? I got the Apogee MQ-200 Quantum Meter - which is kind of expensive to me - to get accurate readings and everybody seemed to recommend it to me .... now I am kind of disappointed its not providing accurate...
You are the best!
Thank you so much for this great bit of information!!!
I didnt know "less is more" and the fact I have to be careful at all! I always thought "the more the better" - at least regarding the amount of light my plants get.
I am going to carefully follow your advice and hopefully...
Hej!
Today my Apogee MQ-200 Quantum Meter finally arrived.
I am completely new to LED and just installed a room with 24 Cree CXB3590 running @50W each with Meanwell Driver ELG-150 (8 pcs). Its a 1 COB per sqft Layout.
Now - I really need help which readings I should get @ plant-canopy using...
Hi Folks!
I just compared my Cree3590 with my HPS 600W (Adjust a Wing) with my iPhone Luxmeter ( Apogee Quantum Meter is not yet delivered to my door) and made a strange discovery:
Cree3590 DB Bin (3500K) Running on Meanwell ELG150 @30cm distance: 6858 Lux
HPS Slyvania 600Watt on Lumatek VSG...