How light proof is 'light proof'?

[funkervogt]

I've been through the lightproofing process before, and I'm at a point where I'm pretty much done with my setup, but noticed there are some very minor light leaks. I'm talking about tiny glowing cracks that I can't seem to successfully supress entirely.

I was thinking about this, and it doesn't seem to make sense that light proof for flowering plants == 100% light proof. I'm thinking about light from the moon, from human-made lights, and other light that is hits plants regularly without ill effect.

 

[Xtensity]

Light from the moon is negligible.

Full moon on a clear night puts off .27 lux is only 0.025083821 lumens per sq meter.

lux = lumens per sq meter
1 lux = 0.09290304 lumens per square foot(what most growers measure light in)

Small lights can be much more.. think about how much a moon illuminates the ground outside, vs some light coming through a crack, even though the light coming through the crack it is still much more intense then moon light. Moonlight is just more wide spread.

Just get some duck tape and place it over the leaks, not that hard.

 

[alpinestar]

light cracks cause herming and or slow down flowering

keep it all sealed

 

[Nicoli]

To me lightproof is not having to struggle to find light leaks. If you have to struggle and REALLY search crazily for a pinhole and you find one, which requires only a certain viewing angle to see, that is light proof to me. I have 2 little areas where you can see a slight amount of light, almost non-existant. that is light proof to me.

If its shooting light beams out from allover, thats an obvious light leak and definitely not light proof.

 

[Tony Aroma]

I too have some small light leaks, like you have to stand in just the right location to see them. But my cabinet is in a room that is kept dark when I'm not in there so I don't think it's a big deal. If possible, keep the room reasonably dark and you shouldn't have to worry about a few small leaks in your cabinet.

 

[beejium]

if growing in a box turn the grow light on and close it up. in a dark room u will see all the cracks where light is coming out. mark them and fix them. it's not hard.

 

[enter sandman]

funkervogt...I love the "Indica Madness" article. I've always felt the same way but have never heard 'or read' anyone having my same opinion on Indica. The guy who wrote that is dead on the money. I think people who like Indica are unrealized heroin addicts. They just stumbled upon Indica instead. I don't consider Indica marijuana either...Indica lovers would of course dispute that with vehemence, don't care....cause I have sativa.

 

[beejium]

odd..... i don't see the connection with heroin, but maybe opium. i love a good indica, but i hated heroin i think the buzz was really overwhelming (i hate puking). i had the chance to smoke opium and it was wonderful, but i no longer have access... not having it may be a good thing in my case. heck in this town it's easier to find: crack, crank, and heroin than it is bud.

 

[enter sandman]

beejium...you are probably correct as I've never done heroin (or opium). I was just trying to link Indica with 'other' bad hardcore drugs that give you a narcotic body high. So mabye that's why you love Indica...cause you said you loved opium......?

 

[beejium]

opium will set you down feeling good and fuzzy with a mild nod-off at times. you can also regulate your dose just as you would bud. that is why indica is for me. i'm sure an experienced heroin user could regulate just as well, but needles and puking really isn't my thing.

 

[OBK]

Can someone connect the dots for me about the relationship between light leaks and opium?

 

[beejium]

there is none we just got a lil off topic. it happens when you are buzzed as hell

 

[PhenotypeX]

When the room is properly light proofed, you will be able to stand in there with lights off and you shouldnt be able to see your hand in front of your face. Thats pitch black.

 

[Wait...What?]

I don't even believe in a connection between light leaks and hermaphrodism, but then, I've grown outdoors and the moon and starlight doesn't turn stuff hermi...

I'm not saying it doesn't happen, I'm just saying I'm really f'ing skeptical that its light doing that.

Plants dont need "absolute" anything. Plants are all about the ratio, proportion, and differential. It is the differntial between light and darkness, and the differential between day length and night length that determines when a plant is forced to flower. I'm a little hung over, but I can cite the studies if needed.


Make it as dark as you can.

 

[Dr BurnBud]

I think the hand in front of your face is the test. If you you have pitch darkness, your good. If not are you happy with overall yield? This is just part of dialing in your environment. But please don't compare a light leak with the moon. I run green lights in my flowering room. I almost think they flower faster if I leave the green lights on a couple of hours per night. Beejium had it right, reverse the process, light your grow, darken outside of the grow and get to work.

Good luck
DR. Burnbud

 

[ddrew]

When the room is properly light proofed, you will be able to stand in there with lights off and you shouldnt be able to see your hand in front of your face. Thats pitch black.

Exactly.
I was scrolling down to post this myself when I saw it.

 

[Dr BurnBud]

here is a picture of my latest ladies, they are 8 days into flowering in pitch darkness with 2 hours of green light per night.

I really just wanted to figure out how to post a picture within the post lol

regards,
Dr. Burnbud

 

[Dr BurnBud]

sorry that didn't work!
FIXED IT!

 

[beejium]

has your timer been on track?

 

[bfap3000]

I don't even believe in a connection between light leaks and hermaphrodism, but then, I've grown outdoors and the moon and starlight doesn't turn stuff hermi...

I'm not saying it doesn't happen, I'm just saying I'm really f'ing skeptical that its light doing that.

Plants dont need "absolute" anything. Plants are all about the ratio, proportion, and differential. It is the differntial between light and darkness, and the differential between day length and night length that determines when a plant is forced to flower. I'm a little hung over, but I can cite the studies if needed.


Make it as dark as you can.

i agree with this post. i have a veg and flower room connected. so i've always had a few leaks in my room no matter how i try to conceal them, but i've only had one plant go hermie on me and it was some bullshit bagseed weed that i shouldn't have been growing in the first place. and i go into my room probably too often turning on lights and it doesn't seem to bother them.