1. We are currently experiencing issues with viewing and uploading images, our team is working on the issue.
    Dismiss Notice

How much LED light can a plant handle?

Discussion in 'Indoor Growing' started by Lite, Nov 6, 2017.

  1.  
    Michiganjesse

    Michiganjesse Well-Known Member

    Better
     
  2.  
    Michiganjesse

    Michiganjesse Well-Known Member

    No not safe that equals fire
     
  3.  
    Michiganjesse

    Michiganjesse Well-Known Member

    Not safe fire hazard
     
  4.  
    Sour Wreck

    Sour Wreck Well-Known Member

    why? wire gauge size?
     
  5.  
    Lite

    Lite Well-Known Member

    yeah u cant just send 20-30 amps down a 15amp circuit
     
    Sour Wreck likes this.
  6.  
    Sour Wreck

    Sour Wreck Well-Known Member

    i see that now. any idea your wire gauge?

    [​IMG]
     
  7.  
    Lite

    Lite Well-Known Member

    most wall outlets are gonna be ur 14-2 (14 gauge 120v)

    most lights and other appliances have a rated max breaker capacity. you cant just change your breakers. you are better off running an addition circuit.
     
    Tyleb173rd and Sour Wreck like this.
  8.  
    Sour Wreck

    Sour Wreck Well-Known Member

  9.  
    Kerovan

    Kerovan Well-Known Member

    Depends on where you live and who wired your house. My house has nothing smaller than 12-2 w/ground, same at my mothers house. But if you don't know it's best to play it safe and assume smaller gauge.
     
  10.  
    Michiganjesse

    Michiganjesse Well-Known Member

    I did my whole house in 12/2 but most people in Michigan use 14 but I also ran dedicated circuits to everything from tv's to microwave anything new except original lights and a few plugs are on dedicated but I'll never blow a fuse in my house lol.
     
  11.  
    Shawndeadhead

    Shawndeadhead Active Member

    I'm killing it at 31.5w per cob.
    If you want to go to what I feel is a good golden rules of Led cob and Quntam boards check out growmau5 YouTube videos. He says on most COB dies anything over 50w per cob is diminishing returns.
    He likes to run around 600w per 4x4.
    I'm killing it at 500w per 4x4. 2-2.25 lb cured and dry.
    When I expand I plan to push to using 600w.
     

    Attached Files:

    Tx-Peanutt and GreenLogician like this.
  12.  
    Shawndeadhead

    Shawndeadhead Active Member

    IMG_20171115_014647.jpg IMG_20171115_014402.jpg IMG_20171115_014702.jpg IMG_20171115_014023.jpg IMG_20171115_013757.jpg IMG_20171115_013703.jpg IMG_20171115_014728.jpg IMG_20171115_014314.jpg Another friendly reminder of 31.5 watts per square ft cob system I made. Only thing I would change would be going to 600w per 4x4 or 37.5 per cob instead of the 500w I'm using but as you can see. Tons of weight, amazing colors, crystals exploding. No bleaching no burning.
     
    Lite and GreenLogician like this.
  13.  
    Yodaweed

    Yodaweed Well-Known Member

    If you removed your reflectors you'd get more light and less hotspots, happy growing.
     
  14.  
    Shawndeadhead

    Shawndeadhead Active Member

    That's OK I like my light pointed at my tops when flowering and spread out in veg, plus I don't have hot spots.
    I test everything from lights to air movement before a plant ever sees the inside of "one of my tents"
    I run lux meter across my canopy my #s are about as even as one can get. Secret to COB growing less watts and 1 COB per square ft. I'm pulling 2lbs under only 500w I need every lux I can get hitting my canopy not the side of my tents where no plants grow.
    I have years in this, it's my bread and butter it keeps me fed, keeps a roof over my head, keeps my race cars running ect....
    Every light I built, every tent I set up I can promise everything in there was done for a certain reason, giving the plants the best possible environment I can indoors. Spent a lot of time and effort testing different configurations of lights, all the way down to something as simple as fan placement has a point and strategy in a Shawn grow :)
    But just to give your idea a shot I took off all the reflectors on one of my lights, I had a decrease of over 320 at canopy, numbers on meter were jump drastic as I move the sensor to different test points instead of staying steady and close like normal. I'm getting spots on the side of the tent that have a way higher lux reading then the canopy. Though no reflectors may work in your setup I know that no reflectors is very detrimental to my setup.
    Lots of new people look to these posts to learn, let's do our part of being a good community and not spread false info to those who are looking to improve their situation or just learn something new. Let's keep in mind that just because it works for us doesn't make it law. I highly suspect there are growers who would fail miserably using my system and growers who would lick my results Ass using my system. IMG_20171108_225608.jpg IMG_20171102_000406.jpg IMG_20171115_014647.jpg IMG_20171108_225608.jpg IMG_20171102_000406.jpg IMG_20171115_014647.jpg
     
    Last edited: Nov 16, 2017 at 1:50 AM
    Tyleb173rd likes this.
  15.  
    Shawndeadhead

    Shawndeadhead Active Member

    Some very nice beautiful looking plants :) how long have you been gardening?
    I don't see anything wrong with the viprapectra I did a ton of research on Led grow lights before just deciding to build my own lights instead of buying. But vipra was one company I saw that had a good amount of positive reviews on Amazon and eBay. What I can tell from them it seems you get a very nice mid level light for a very friendly low end price and there is nothing wrong with that. Part of why I built my own light besides that no one had quiet what I was wanting setup wise, is I saved a ton of money doing so. I spend about $550 to light each 4x4. If someone was selling a commerical equivalent of what I built with meanwell drivers and bridgelux cobs, avvid thermalloy heatsinks would easily be a $1000.
     
  16.  
    Yodaweed

    Yodaweed Well-Known Member

    the reflectors reduce output by about 10%, if you have reflective materials on your walls the light won't be lost it will reflect to your plants, happy growing.
     
  17.  
    Shawndeadhead

    Shawndeadhead Active Member

    Thats OK not that I have to justify anything to anyone but don't spread bad info.
    With a light meter under my canopy, 10" under lights with no reflectors on, my lux meter I get a reading of 29,000 directly under cob . In between cobs it drops to 18,500 on average. Side of the tent where no plants grow and above canopy level 65,000 on my meter maybe higher ??? my app and meter adapter dongle doesn't read past 65,000.... Things that make you go hmmmmm
    Now simple put all the reflectors back on, to prove the bad information wrong and show what happens when we just repeat what we hear online instead of investigating for ourselves. (great real world advice BTW because most of the liberal controlled media TV and social and Hollywood has been lying to everyone for 80 years brother)
    Reflectors back on my lights, canopy levels just like my first test at 10" where tops of my plants sit at.
    Same Lux meter and dongle to BTW.
    Reflectors on directly under COB 46,250 avg over 6 readings. Increase of 19,000 Vs reflectors off.
    In between the cobs 29,700 avg reading over 6 locations for an increase of 11,200 Vs no reflectors on.
    Now onto the side of the tent above canopy where no plants live or even stretch to just like first test......18,450 avg over 3 different locations for a Decrease of 46,550.
    I'll keep my reflectors and hell since they are so bad if any body has any extra Ledil preferably the Angelias I'll buy them up from you because I'm constantly expanding and building new lights. Thanks
    Again not posting to be a dick if I've come across that way like my last post just tired of seeing bad information passed around by people just repeating bad information not real world results with any tangible evidence do back up what you say. Here's flat out evidence that proves both the last posts wrong
    The first one that I would get a better spread and no hot spots if I got rid of my reflectors, and yours that I get a 10% decrease in light when I got an avg increase of of well over 25% simply directing my lights to a bright even spread.
    I wasn't bullshitting when I said everything I do comes from years of experience, research and real world testing.
    Happy growing all
    Screenshot_20171117-005711.png Screenshot_20171117-005714.png Screenshot_20171117-005658.png Screenshot_20171117-005639.png Screenshot_20171117-005733.png Screenshot_20171117-005727.png Screenshot_20171117-005655.png
     
    Last edited: Nov 16, 2017 at 11:20 PM
  18.  
    Shawndeadhead

    Shawndeadhead Active Member

    Hey what kind of COB system are you using ? does vipra offer one now? Your plants look great, how do you have a final yield yet ? Sorry for all the questions.
    Read through my posts here I have years of experience, anything I can help answer for you I gladly will. I love seeing great growers become even better.
    I take very seriously (probably to serious lol) to help spread good information around here because roll it up helped me a lot through the years but there is a lot of bad false info here.
    Lucky for me I grew up spending lots of time at family farm and still to this day I grow a lot of my own food so the transition to indoor growing was fairly simple and I knew enough to filter the bad info out.
    Some new people here don't have that filter built into their minds yet to smell out the bs and bad info, and let's be honest some people are doing this for their health, some hobby, and some like me its my bread and butter and my u
    key to about as true or freedom as one can get in our system lol.
    Check out my grow journal I'm currently running. Grow is finished but journal has a few more weeks before I wrap it up
    http://www.rollitup.org/t/500w-diy-led-4x4-organic-2-15-lb-grow.952567/
     
    Last edited: Nov 17, 2017 at 9:16 AM
  19.  
    ANC

    ANC Well-Known Member

    Above a certain level there is no doing it without sealed room and CO2 as well as increased feeding regiment.
     
  20.  
    Shawndeadhead

    Shawndeadhead Active Member

    I tend to just call it a dialed in environment lol
    but your absolutely right everything has a point of diminishing returns, and it's then looking for the next level I can push harder. Example say where you could run more watts, more ppm nutes, maxed out Co2, but your results ie yield and quality actually start to diminish or level off.
    I've tested and tested and tested my environments, made my own co2 bucket tek system pushing though air pump, so I'm averaging around 850-900 ppm. I run my nutrients 75-80% max, the recommend full feed levels I was staring to get white curly tips on leaves (I run calcium based liquid organics) so white curly leaf tip is our early indication of too much food. So ppm for nutes I never see past 1200ppm or so. Led cob lights I'm finding 35-40w per square ft is killing it, going up much past 42w per square ft yield stopped increasing for myself at least in my setup, so why pay for the extra electric and nutrients if I'm not picking up any extra weight past a certain threshold
    I see a lot of growers looking for that one super simple fix for their gardens and it honestly doesn't exist. Dialed environment can easily equal same results with less input on all tangible levels. Take notes spend time with you plants, look at them learn to read what they are telling us. The rewards are something amazing
     

Share This Page