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Thread: LED PC case growing with TheLastRebel

  1. #61

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    Here's the kushes, they're not so bad I guess. Just small and slow.

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  3. #62

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    2 now? Been impressed up till now and no reason to doubt you. Wish I had your diaries for inspiration when I lived with my parents growing up lol

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  5. #63

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    Thanks Silk - yeah now my jars are well stocked I'm thinking about growing for variety rather than volume for a bit - will see how it goes!

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  7. #64

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    Quick update folks, my heart's not really in this experiment as you know and it's not exactly been a runaway success so far. It's been interesting, but I haven't been able to get the feed right in small pots and without training one of the girls shot up to the lights in stretch and so I had to chop her head off in the early stages of flower, which isn't exactly what the textbooks recommend! Both plants have been slow, although one is a better shape for what I was trying to do with them. If I had the time to let them finish I'd probably get some decent smoke still, but never mind eh?



    On the plus side the bluematic has cured really well - a really sticky, slightly medicinal sort of smell and taste. Still a really well balanced stone, not so much of a high - though with more of the giggles now than at first I think.

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  9. #65

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    Just read the whole thread and loved watching it all unfold. You've absolutely smashed it there @rebel, massive props to you for that.
    Just to warn you though...once you know you can do it, it can become a bit of an obsession to do it better.
    I've been at it for years now and I just started another perpetual cycle in mine with loads of new changes

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  11. #66

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    Quote Originally Posted by v12xjs View Post
    Just read the whole thread and loved watching it all unfold. You've absolutely smashed it there @rebel, massive props to you for that.
    Just to warn you though...once you know you can do it, it can become a bit of an obsession to do it better.
    I've been at it for years now and I just started another perpetual cycle in mine with loads of new changes
    Hello mate, thanks for stopping by. Yeah I've got plenty of plans too and things to add - I've been meaning to add side lighting for a while now and might do that in the next few months. I've also been toying with the idea of a thermoelectric cooling system - I can't figure out how to fit something neatly into the case itself but I think I've got an idea of how to incorporate it into a sort of platform under the case that would retain the stealth element and cool my intake air, that's a possibility for the summer.

    Quite coincidental timing - I was thinking of posting an update soon as I dropped a pair of NL beans yesterday for a new year grow. I'm just going to do one plant again (the two kushes disn't feel like a very good use of the space in the end) but they were free seeds so I'll just see which gets off to a better start.

    The kushes weren't a total loss despite not finishing, they got far enough to add some potency to my last batch of cooking oil so that's something.
    Last edited by thelastrebel; 05-01-20 at 04:18 PM.

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  13. #67

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    I think you'll like NL, very uniform and tough as old boots. Which breeder are they from?
    Surprised to hear you are looking for more cooling though, I wouldn't have expected much heat from those strips.
    Will be really interested in seeing how you utilise that sidelighting as well, I'm currently doing something along those lines to try and create a circadian effect.

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  15. #68

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    Quote Originally Posted by v12xjs View Post
    I think you'll like NL, very uniform and tough as old boots. Which breeder are they from?
    Surprised to hear you are looking for more cooling though, I wouldn't have expected much heat from those strips.
    Will be really interested in seeing how you utilise that sidelighting as well, I'm currently doing something along those lines to try and create a circadian effect.
    Yeah it's hard to find a bad review of NL so I'm hoping I'll enjoy it. The breeder is RQS - they're the only breeder I've bought since starting and I've had 100% germ rate and really no complaints with them so far so I'm thinking don't fix what ain't broke! The next one after this will be a proper go at the bubble kush, then I have a couple more of the bluematic seeds I can run since I really like the strain, or instead for variety I might try something else. Wouldn't mind doing a cookies sometime...

    Yeah with temperature I'm fine for most of the year but summer is a struggle. The lights are excellent for efficiency and if I crank up my outtake fans I get some pretty good airflow but because I made the decision to insulate my case with rubber sheet it's not the best at expelling heat. At the moment, with lights at full whack and fans sub-audible, it runs around 5-6°C above ambient and if I add more light that will only go up. Where I'm living just now indoor temperatures in summer get up to around 27-28°, so I do need something to bring that down a bit if I'm going to grow all year. I don't need to grow all year and I don't need to grow with lights on full necessarily, but solving problems is half the fun with micro growing so I'd like to crack this one if I can. Or at least have a stab at it.

    The sidelighting will be some combination of 3000K white diodes as well as red and far red diodes, hoping to mimic the fact that sunrise and sunset light is redder, and will be on a separate timer. Hopefully I'll get something of an Emerson effect as well as simply more spread of light watts to aid growth. I've considered multiple small drivers to have electronic PWM control over the daily cycle but the programming and stuff seems like a bit too much of a faff for now - maybe one day! What does your solution look like?

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  17. #69

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    Hey rebel, I didn't try the RQS seeds in the case yet so I'll be interested to see how they work out for you. I have done some of their stuff outdoors though and was more than happy

    The circadian lights are really simple, 3 x 20w LED floods on seperate timers:

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    Things have changed a little now though as the 2700k unit developed a fault and I've replaced it with a Budmaster GOD II.

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  19. #70

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    I've done NL autos from rqs a couple times now. Still my favourite smoke grown so far. Just watch out for rot near the end. Could have been other factors than the strain, but humidity was low and fans circulating but I got hit by it every time. Still got plenty of good bud from it though and was sad to smoke the last of it.

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  21. #71

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    Thanks for the heads up on rot Silk, I'll keep an eye out for that. Here's the two seedlings, both came up fine albeit one needed some help shedding her casing and isn't the straightest for it. I'll give it a week or so and then pick which one to continue with.



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    I've been thinking about building a little red/far red light to create the Emerson as well, not for use with the light I have running in the picture because that's very red already in bloom mode but for aside my 60w Invisible Sun panel which will be dusted off again come late spring/summer.
    I have this little computer fan/heatsink that seems suitable, just need to get some diodes somewhere, mount them on and connect a suitable wall charger.

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  25. #73

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    Quote Originally Posted by Cleargreen View Post
    I've been thinking about building a little red/far red light to create the Emerson as well, not for use with the light I have running in the picture because that's very red already in bloom mode but for aside my 60w Invisible Sun panel which will be dusted off again come late spring/summer.
    I have this little computer fan/heatsink that seems suitable, just need to get some diodes somewhere, mount them on and connect a suitable wall charger.
    Looks ideal for a couple of cree xpe diodes or similar, that - should disperse plenty of heat. How many watts are you thinking of for your space CG? I'm thinking of adding around 10W warm white and 10W red and far red, so 5+5 on each side to complement my 34W white from above. I'm not sure if that's a bit excessive maybe but it'll only be used for flowering and I can dim down if needs be. Mine won't just be an Emerson booster though, I'll have the side lights on slightly longer than the main lights I think but definitely all day. I don't have much patience with biology so I'm no expert on what plants respond to, but intuitively it makes sense to me.
    Last edited by thelastrebel; 12-01-20 at 07:19 PM.

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  27. #74

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    Quote Originally Posted by thelastrebel View Post
    Looks ideal for a couple of cree xpe diodes or similar, that - should disperse plenty of heat. How many watts are you thinking of for your space CG? I'm thinking of adding around 10W warm white and 10W red and far red, so 5+5 on each side to complement my 34W white from above. I'm not sure if that's a bit excessive maybe but it'll only be used for flowering and I can dim down if needs be. Mine won't just be an Emerson booster though, I'll have the side lights on slightly longer than the main lights I think but definitely all day. I don't have much patience with biology so I'm no expert on what plants respond to, but intuitively it makes sense to me.
    Didn't really think about watts yet but thinking about putting 4 diodes on there maybe? 2 red and 2 far red.
    And for me it would purely be for the Emerson effect, don't really trust those wall chargers to run for most of the day on a continuous basis.
    I still have to properly look into this to see what exactly the norm is for achieving the Emerson effect.

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  29. #75

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    Quote Originally Posted by Cleargreen View Post
    Didn't really think about watts yet but thinking about putting 4 diodes on there maybe? 2 red and 2 far red.
    And for me it would purely be for the Emerson effect, don't really trust those wall chargers to run for most of the day on a continuous basis.
    I still have to properly look into this to see what exactly the norm is for achieving the Emerson effect.
    Nah I wouldn't be too keen on running LEDs on a wall charger for extended periods either. Not something I've ever considered to be honest, I can't really think how the two would match up. I'd guess at least some must be workable? With 4 cree xp-es you'd be looking at somewhere in the region of 4W I guess depending on how hard you run them, and you can probably get away with running them quite a bit hotter in your setup than I can. That puck that rapid made was also just 4 diodes I think and they said you could use it for something like 1 square meter - going by that you should be grand with yours.

    Meant to take pics today but forgot, sorry chaps. Not all that much excitement in the last few days anyway though to be fair. Closest thing to excitement is I've put the same desk cooler/humidifier back in I used a couple of grows back to save faffing about with domes - not sure why I didn't think of that to begin with to be honest.

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    Down to one now and at day 12 I think it is above soil. Seems to be doing ok now. I think it's maybe a day or two behind the bluemativ for growth but that might make sense on the basis the bluematic is a faster strain on paper.

    The dark spots are just soil by the way, nothing to worry about!

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    Quote Originally Posted by thelastrebel View Post


    Down to one now and at day 12 I think it is above soil. Seems to be doing ok now. I think it's maybe a day or two behind the bluemativ for growth but that might make sense on the basis the bluematic is a faster strain on paper.

    The dark spots are just soil by the way, nothing to worry about!
    Looking good there

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    Cheers CG mate, yeah seems to be plodding along ok. Couple of what look like burn marks on the near leaves here, I snipped a few off that were showing worse as well. Could just have been something spilled or water droplets or something but I'll keep an eye on it.

    Something I seem to get a lot also is the slight canoeing that happens just at the jagged edges of the leaves, particularly in veg. I tend to put it down to minor light stress and so I don't worry about it much. Bugging me this time though because I don't want to turn the light down and lose growth, or turn it up too high and burn the plant! I'm going to end up investing in PAR meters etc at this rate...

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    Loving watching the new grows dude. I have a question if I may? Your first attempt produced a squat, bushy plant as you'll recall, but now I see leggy plants in this thread. Why is this, did you nail it down? Where the lights too strong throughout the first grow in seed and veg, hence the very small plants with very small nodes?

    Always lurking

    Cheers fella.


    New PC Build coming soon

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    I'm betting it's more soil now

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