Mr. Nice Forums  
Home History Strains Media Web Community Medical Marijuana Contact us Auctions

Go Back   MNS Forums > Grow information > 14. Indoor

LinkBack Thread Tools Display Modes
Old 09-11-2019, 09:26 PM
Senior Member
Join Date: Jan 2016
Posts: 329
Default Does 523nm green wake up plants during dark cycles?

Waiting for lights on to do work is getting to be difficult.
They make clear bulb LEDs with 523nm green in them.
Iíve read 523nm isnít absorbed by leaves or interrupts dark cycles.
Has anyone worked on garden during dark cycles with green light and had any problems?
Reply With Quote
Old 09-12-2019, 02:55 PM
Byorn's Avatar
Senior Member
Join Date: Mar 2017
Location: The WaterLand
Posts: 321

i`ve seen others do it without any problems.
Reply With Quote
Old 09-12-2019, 07:37 PM
PlantManBee's Avatar
Senior Member
Join Date: Feb 2011
Posts: 1,277

I just fuct up a grow with green lights. Not sure of the actual color designation. I have used old green "party bulbs" with no issues.

This grow, I sent every plant back to square one.

Just be sure and be careful.
Blurring the boundaries between plants and animals since '64
Reply With Quote
Old 10-06-2019, 05:32 PM
Senior Member
Join Date: Jan 2016
Posts: 329

Thereís green painted bulbs and thereís now clear lense with green led that Iím trying out.
I contacted the company and they said they had 523nm LEDs in them but I bought 2 and they are different shades of green.
I at first didnít see difference because I only used one bulb but after using the second for a bit more light to work in,they donít put out the same green.
Cheap party bulbs may not have any QC.
I donít see any negative effects but I use them only for 10-30 seconds.

Iím going to make my own by using Cree xpe 2 LEDs.

One thing I noticed is looking at green makes me see red afterwards.
Reply With Quote
Old 10-10-2019, 09:13 PM
Vlad the Inhaler's Avatar
Senior Member
Join Date: Jun 2016
Location: Perth
Posts: 393

This is interesting.
Cannabis can utilise light by using different pathways than just chlorophyll.
A purple plant can use light, less efficiently, with anthocyanin.
Red and blue are most effective, but not only spectra used.
Some testing on algae in light is used in marketing by light companies ( plants only see blue and red light)
But a cannabis plant is much more complex.

On the other hand, 10-30 seconds isn't s very long time.
Back yard plants get a lot of pollution from the neighborhood. And they still produce.

I think canna can *see* all spectra, although some less efficiently.
Very weak light for a very brief time isn't much stimulation.

Best to arrange your chores for the light period though, and just let them be if you can.
Reply With Quote
Old 10-13-2019, 05:09 AM
Senior Member
Join Date: Jan 2016
Posts: 329

Before I bought the bulbs with leds in them I contacted company and they said 523nm led are in bulbs.
The two bulbs and they are different shades of green so I contacted company again and they said they change colors over time.

I have seen a few branches closest to light on my SSH plants putting out foxtails on the very tips and rounder leaves with smooth edges.
I hope itís not revegging but itís only happiness with the a few of the branches and what is strange a branch next to it but lower has nice round solid colas with cloudy trichomes.
I am in week 8 of bloom and I changed light to 11-13 for a longer dark cycle.
I donít recommend using green lights during lights off especially cheap led bulbs.
Reply With Quote

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

All times are GMT. The time now is 05:54 AM.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, vBulletin Solutions Inc.
SEO by vBSEO 3.6.0 PL2
All rights reserved, MR NICE SEEDBANK, NL