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Thread: HPS to LED guys

  1. #31

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    Glad to see such a balanced conversation going on. I remember getting into so many scraps in jest over this only a couple of years back. How things have changed

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  3. #32

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    Quote Originally Posted by IceCalibur View Post
    I will add this in regards to my personal experience with LED so far..


    As some of you may know, I purchased a HLG 550 v2 Rspec roughly a year ago..and although I must say they're super strong, (so strong they really do have a learning curve to get used to)..I have to explain a major negative that I have noticed...


    For some reason or other, they are simply not giving enough heat in my tent..I had to purchase 2 x 80w tubular heaters to keep it around 24c-25c when my passive air is 20c even with my extraction reduced down to 25%.

    Now when you add up the watts to include the heaters...I'm really not saving anything on the old leccy, quite the opposite..I'm actually using more, unfortunately.

    Performance, as I say, is spectacular..but it's not without it's negatives.

    The LEDS were fantastic during the hot summer we had..but I might be packing them away for winter and reserving them for summer grows only.


    I'll also add that this may not be the case for everyone!...but I have noticed many members using heaters with their LEDs.

    The current general consensus is that temps should be as high as 28-30c with LED's which make it worse (for me).
    I have read that a lot of guys hang the drivers outside the tents because of the heat from them,would keeping the drivers inside the tent help with that?
    Winter is coming here and it can get colder than -40 outside so my heating is gonna be on 24/7 for the next 6 months most likely.

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    Quote Originally Posted by scootb View Post
    I have read that a lot of guys hang the drivers outside the tents because of the heat from them,would keeping the drivers inside the tent help with that?
    Winter is coming here and it can get colder than -40 outside so my heating is gonna be on 24/7 for the next 6 months most likely.
    I think it all depends on the LEDs, some run hotter than others, same with the drivers I suspect?....if I place my driver inside the tent, it doesn't make all that much difference (1c increase at max...if that).

    I like to have my house temperature around 20-21c, no more than that, but I still need the two 80w tubes to reach 25c-26c inside the tent (with passive air being 20-21c).

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  7. #34

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    Quote Originally Posted by scootb View Post
    It's been hard to wade through alot of the sales B/S when it comes to LED's,I remember the hype about them around 10years ago and the disappointment which is why I had started this thread
    Not just leds, almost everything new for cultivation has had teething problems.

    Lumatek digital hps ballasts were hyped up and the company downplayed the problem of radio interference. Imagine having the cable guy call and tell you that something in your home was wiping out the tv signal for the block. Ouch. Early digital hps ballasts weren't that reliable either.

    Many reports of males and hermies from feminised seeds in the early days.

    At first, autos were only for those desperately short on growing time and/or height.

    hps lamps have quietly improved too. 15+ years ago, it took 50w psf to get about the same bud density as 37.5w psf gives now. The old hps lamps ran so hot that air cooled hoods were almost vital.

    Where the 600w magnetic ballast hps will always have a place imo is for the new grower with 10 to 16 square foot of growing space. Cheap, reliable and not that far behind wrt yield. When the hps does get upgraded, it becomes a spare light, just in case.

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  9. #35

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    All these lights will give off roughly same number of photons give or take. Its just some take more watts.

    The ones which use more watts have the highest total cost over the life time of the light.

    If you have enough money upfront, you will get excellent return on your investment. If you buy cheaper technology, you will pay much more in the long term.

    Like anything in life.

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  11. #36

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    Quote Originally Posted by gardro View Post
    All these lights will give off roughly same number of photons give or take. Its just some take more watts.

    The ones which use more watts have the highest total cost over the life time of the light.

    If you have enough money upfront, you will get excellent return on your investment. If you buy cheaper technology, you will pay much more in the long term.

    Like anything in life.
    Unless you shop at Aldi. Aldi is bad boy

    Sent from my SM-G975F using Tapatalk

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  13. #37

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    I'm still stuck on hps .....who would have thought it lol ....fucking tempted mind just don't like saying it


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  15. #38

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    Quote Originally Posted by Dirty_badger View Post
    Unless you shop at Aldi. Aldi is bad boy

    Sent from my SM-G975F using Tapatalk
    Ocado mate, now M&S

    Do like to root around Aldi though, middle aisle

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  17. #39

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    Quote Originally Posted by IceCalibur View Post
    I think it all depends on the LEDs, some run hotter than others, same with the drivers I suspect?....if I place my driver inside the tent, it doesn't make all that much difference (1c increase at max...if that).

    I like to have my house temperature around 20-21c, no more than that, but I still need the two 80w tubes to reach 25c-26c inside the tent (with passive air being 20-21c).
    I set my thermostat to 20 as well,but my tent is in the basement where it is usually cooler,I have insulated the ceiling in my grow room to try trap some heat down there,guess I will find out in a few weeks lol.

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    Quote Originally Posted by scootb View Post
    I set my thermostat to 20 as well,but my tent is in the basement where it is usually cooler,I have insulated the ceiling in my grow room to try trap some heat down there,guess I will find out in a few weeks lol.
    Let us know how you get on (temp wise too), and whats the height of your 4x4 tent btw ?

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