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How far away do I keep my grow lights?

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    #31
    Hey my growing comrades Happy 4/20 🤗 I’m so new at indoor growing and until now have only ever been a novice with a few outdoor plants under my belt~ I’ll probably annoy some folks but I’ve got to ask this question bc the only stupid question is the one that isn’t posed...so, after my recent experiences in my grow room, I feel like I’m actually outside of these light distance parameters since my results nowhere near measure up to some of the results many of you are showing off in your grow journals so I got to know what am I doing wrong. My plants are currently sitting about 45” below the glass on my 1000w sun system hps set up and I actually just moved them 5” further away from my light yesterday bc of the increased appearance of these dry yellow things that seem to show up whenever I have stressed the plant with either too much heat or too much light which has actually burnt the hairs on this plant. I didn’t actually start this grow with such a powerful light, I upgraded while these plants were still vegging, but now I’m worrying that I may not be able to achieve better results to spite having the gold standard for lighting. I’d really love to hear what other growers using 1000w hps lights have to say. Thanks everyone

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    • Reedseed
      Reedseed commented
      Editing a comment
      I did experience this situation once a while back ! It’s like almost it’s in a stage that it’s trying to decide whether to make seeds or just continue with the flowering process depends on the environment she in .
      Mine did continue flowering and she so sweet to smoke. All the best and keep on rolling

    • Peacefuleasyfeeling
      Peacefuleasyfeeling commented
      Editing a comment
      Good to know Reedseed, it was the only plant with nanners the rest of my plants that ended with that grow were all a little seedy~nothing too bad like with a full blown herm but anywhere from 5-20 seeds per plant. It was a trial run to work out the quirks tho I’ll surely run into many more as I go 😎✌️❤️

    #32
    Here ya go. Higher in seedling and early veg stage obviously.

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    • Peacefuleasyfeeling
      Peacefuleasyfeeling commented
      Editing a comment
      Thanks I’m trying to keep it under 77 in the gr, checking the moisture in the leaves but I can’t get them closer than 36” even with these mature plants 8 weeks into flower their hairs got unevenly burnt @30” and their fan leaves are pretty dry. Then this one started pushing these hard greenish-yellow things out her flowers as they opened I’ve since cut her and she had about 25 of them in her. They’re not like seeds the come out in 2’s like hairs do, and from the same place as hairs do. I’ve never actually seen a nanner except in pics on the web lol ~tbut to me they don’t even look like those as much as they look more like dried hairs . Anyways wtf do I know I’m a novice 😜

    • Locrian99
      Locrian99 commented
      Editing a comment
      Dutchman1 Thank you for sharing that awesome chart. Saved to laptop

    #33
    That doesn't loom like a burnt or bleached hair to me loo,s like a nanner and if so your probably goi g to have seedy buds, I am and always have used a 600watt mh for VEG and a 600watt hps for flowering so I'm not really sure about a 1000 watt light much stronger than mine but if it helps I go by the LUX READING using a Lux Meter and I'm at 4 weeks and I've got my Lux at 415 at this point as they get older I'll lower the light and raise the LUX to around 525-550 this is X 100. Hope this helped, and don't worry about asking the questions it's how you acquire the knoledge.

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    • Peacefuleasyfeeling
      Peacefuleasyfeeling commented
      Editing a comment
      Thanks, I have no control over the amount of intensity they get, my light is either mh or hps so it’s full strength all the time and this plant has been throwing these things out of its flowers as they explode for weeks now what ever they are they just fall off as they dry no seeds tho.

    • Peacefuleasyfeeling
      Peacefuleasyfeeling commented
      Editing a comment
      Oops spoke too soon I just cut her and found the seeds so far about 20-25 of them. So now I know what nanners look like in person lol oh well this grow was my trial run used bag seed. And have 4 left flowering ready to harvest in next 2 weeks. After reading further into this thread I think the next thing I buy will be the lux meter to help me tweak my next grow thanks.

    #34
    I`ve had no end of pickle with light heights. Running or even just buying AC seems the way forward however the expense does put you off a tad. I run 2 x 600 HID`s and now have the height at 18" above central canopy girls. Too close (16 isn`t deemed as close but it`s killing my girls)and I lose resin, odour and get some heat stress and blanching. At 18 and with a bigger input of fans I `ve found resin and smell are back and no stress to either the girls or me for that matter. Buds are still forming well and I`m just going to watch and see. Hope it goes well for you. Banana`s can be heat/ stress/ end of plant grow induced or a weak strain but if you`re having light/ heat troubles then that`s the most likely culprit....good luck

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      #35
      Yes I totally agree. When I bought the hps I thought I might be able to get off without attaching the ventilation system bc my grow room is in my basement where it’s always 20 degrees cooler but even with 2 fans maxed out my canopy temps are 77-79, which apparently is not cool enough for these ladies

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        #36
        Yeah thats alittle high but not to bad my ideal daytime temp is 72-75 and night time about 60-65. my grow rooms on a third floor. I used MH/HPS all last year and was miserable because of trying to control the heal and other environmental things. Switched the led and booom temps came down and with the help of an a/c it cools very easy you could always exhaust the hot air and bring in some cooler air from an A/c cooled room just remember air out has to equal air in. so 300cfm out 300cfm in

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          #37
          Okay i just saw the pictures your plants were stressed with to much heat and caused them to basically start producing pollen those little yellow banana bunches will open and release pollen you can pluck them but its a fight you cant win just enjoy having some auto-fem seeds i guess i know i did my first grow+ the mix i got for seeds is amazing anyway actually just started to take my own creation into flower Dr. Fire

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            #38
            How high should I start off with this beast to safely find my sweet spot?. It is definately a beast. Was originally for a tent grow but then i got it in the main and WHOA! THAT THING IS HUGE!!!!! Any idea? Thinking 28 to 32 inches. And this is the full spectrum model.
            The grass ain’t greener, the wine ain't sweeter, either side of the hill
            🎶🎵🎶


            Comment


              #39
              When this ? comes up on the site I always tell folks the same thing, Its always a good idea to use a LUX METER to see exactly how high/low you should hang your lights. Heres a link to check out for a quick reference https://www.growweedeasy.com/lux-meter
              Ihope this will help you out with your ? and Happy Growing. Exactly what type of light is that? Is it a LED? Ican't really tell from the pic.

              Comment


                #40
                It is a giant LED spotlight supposedly designed specifically designed to grow cannabis on a commercial level. Thanks for the input. I just ordered a new PAR Meter. Just nervous because this thing throws light like none I have seen. Even more intense than my 1000w HPS light. I'm gonna start at 30 inches from the canopy in veg and go from there.
                The grass ain’t greener, the wine ain't sweeter, either side of the hill
                🎶🎵🎶


                Comment


                  #41
                  It could be different and depends mostly on the next factors of your growbox:
                  light type, lighting area, sort/type of the plant and finding the optimal combinations from this main points should lead in successful growing result

                  Comment


                    #42
                    suggesion from my side:

                    400W – 600W ---------12 to 19 inches away from your plants
                    600W – 1000W--------- 14 to 26 inches away from your plants More than
                    1000W------------- 16 to 31 inches away from your plants

                    HID grow lights produce can produce intense heat, it doesn’t mean that it should be placed way too far from your plants.

                    Comment


                      #43
                      Originally posted by NebulaHaze View Post
                      Keeping your grow lights the right distance away improves your yields and reduces the chance of problems! But how far should they be?

                      Quick Guide - Read the full tutorial

                      Metal Halide & HPS Grow Lights
                      • 150W - 10" (25 cm)
                      • 250W - 12" (30 cm)
                      • 400W - 14" (35 cm)
                      • 600W - 16" (40 cm)
                      • 1000W - 22" (55 cm)
                      LED Grow Lights - these often need to be kept further than growers realize, because even though they don't get hot, they're so bright they can cause light burn!
                      • 1W Bulbs - at least 12" (30cm)
                      • 3W or 5W Bulbs - at least 18" (45cm)
                      • High Wattage (300W+) - up to 30" (76cm) or more
                      Fluorescents like CFLs & T5 Grow Lights
                      • Keep within a few inches as long as they're not too hot
                      • Check by placing your hand where the plant is for 30 seconds, if it's too hot for you it's too hot for your plant
                      • Otherwise keep fluorescent lights as close as possible for the best results!
                      Hello #NebulaHaze

                      Long time since I posted, Uncle Sam just hit me with my second round of stimulus and I went ahead and got proper ventilation equipment. I had been using room fans and the air conditioner in the summer months keeping the whole room cold and it was expensive but it worked. But now I've gone ahead and purchased the 6 inch AC Infinity T6 system. I also was able to pick up the 600 W ChilLED DIY, it's going to be a month till I get that. Both manufacturers gave me a Veterans discount.

                      When I first started out I used T5, high intensity HPS 600 & 1000W with agustable digital ballasts I bought second hand cheap with new bulbs. Do you still feel high intensity is best for the flower cycle or has spectrum improvements and quality LED design caught up to that?

                      This is the question I'm writing about I've been running my hoods without the glass, do I need to have the filter in front of the Hood with the glass seal and the exhaust fan on the opposite side close to the window? or can i use the hood with out the glass and put the filter on the window side followed by the exhaust fan to the window?

                      I really looked before I asked the question Nebula, PS I got a Video for you.
                      Glad tidings of the season to you.

                      https://www.youtube.com/watch?v=vYmgmU8STVY
                      Last edited by Paracelsus; 01-06-2021, 01:57 PM.
                      My Growing and going full tilt NoTill NTG thread https://forum.growweedeasy.com/forum...l-tilt-no-till
                      The universities do not teach all things

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