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OfflinegeokillsA
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Re: Single Bagseed Indoor LED Gamble [Re: Data]
    #241625 - 06/21/09 09:50 AM (15 years, 6 months ago)

I would suggest trimming off all of the burnt leaves (if a good portion of the leaf is still sound, just clip the burnt part and leave the rest).  This will allow you (and us) to better evaluate your plant without focusing so much on the previous burn problem; and will also open up the plant so that more light can get to the still healthy leaves.

I would also suggest trimming off the large fan leaves that are laying on the soil, as this can provide a breeding ground for fungus, small gnats/mites, etc... Not to mention, they probably aren't getting a lot of good light being that far down inside the potting container, and there is no need to force the plant to expend its energy maintaining those fairly unproductive leaves.

Thanks for your grow log... Keep up the updates, I am also very interested in these LED light systems! :thumbup:


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Re: Single Bagseed Indoor LED Gamble [Re: Data]
    #241689 - 06/21/09 03:03 PM (15 years, 6 months ago)

That's better! :thumbup:

Now clean up all that dead or dying rubbish laying on top of the soil.  You want to keep that shit clean! :whip: :biggrin:

Make sure you aren't over-watering.  The soil should not be sopping wet.  Your potting container should have drain holes in the bottom.  Use a measuring cup when you water the plant to figure out how much it can take without flooding out the drain holes.  The amount of water necessary will vary quite a bit depending on the plant's growth stage, container size, ambient temperature and humidity.

In between waterings, make sure you let the soil have a chance to dry out a bit and get more oxygen to the roots.  You should try to water at the beginning of your light cycle, so the plants can transpire more of the new moisture and allow for more oxygen to reach the roots during the dark cycle.  Watering just before lights out can contribute to the suffocation of the root system.

To get an idea of when to water, pick up the container.  Is it very light?  That's your sign that most of the water is gone.  A major warning sign that lets you know its time to water is if your container is way light and the leaves start to wilt or droop.  Try not to let it get to that point, but if it does and you catch it early, it won't be a big problem.  Over watering is a bigger problem in my opinion.

During the vegetative phase of growth, try to give the plant nutrients that have a slightly higher Nitrogen (N) component.  Most nutrient mixtures/solutions list the N-P-K content as a series of three numbers.  The first number is the nitrogen, second is phosphorous and third is potassium.  Once you get into the flowering phase, you'll want to switch to a nutrient solution that features a higher phosphorous (P) content.

Since this seems to be your first grow, go easy on the nutes.  Better to err on the side of caution by giving them too little nutrients, than to burn them with too much!

Good luck, and keep us updated! :sun:


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Re: Single Bagseed Indoor LED Gamble [Re: Data]
    #245214 - 07/02/09 10:55 AM (15 years, 6 months ago)

Fantastic.  You're obviously taking much better care of that plant now.  Great job! :sun:


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Re: Single Bagseed Indoor LED Gamble [Re: Data]
    #245810 - 07/03/09 06:10 PM (15 years, 6 months ago)

If you're a full four weeks into flowering, I'd wager most of the stretching will be over.
Of course, your mileage may vary.  Give those plants some serious room!


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Re: Single Bagseed Indoor LED Gamble [Re: bobby]
    #247283 - 07/08/09 04:26 PM (15 years, 6 months ago)

Quote:

bobby said:

...hell i may even start a journal on it. But only LED, i will use no other light supply.




Please DO do a journal! :gethigh:

This is obviously a topic that a lot of growers are interested in, but are hesitant to invest in new lighting when there have been so few independent reports as to their functionality/efficiency.  I know I'd be very excited to read about your experience, as I'm sure would many others!


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Re: Single Bagseed Indoor LED Gamble [Re: Data]
    #254612 - 07/25/09 10:18 AM (15 years, 5 months ago)

Very pretty. 

On your next grow, will you use only the LED's for any part?
(I take it you're fairly satisfied seeing as you bought another)

How much did those LED's run you?


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Re: Single Bagseed Indoor LED Gamble [Re: Data]
    #261791 - 08/08/09 04:58 PM (15 years, 5 months ago)

I'm absolutely thrilled, lovin' to see how far this grow has come! :smile2:

When I first saw this thread, your plant looked like this...

           


Now after little more than a month and a half, you have harvested some beautiful buds! :ganja:

       

       


:sun: :sunny: :sun:  Congratulations!  :sun: :sunny: :sun:
                        :ganja:


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Re: Single Bagseed Indoor LED Gamble [Re: Triptonic]
    #261801 - 08/08/09 05:25 PM (15 years, 5 months ago)

Probably because he's using CFL's along with his LED.  It seems that these early generation LED grow lights are too specific in the wavelengths of visible light produced.  The CFL's will provide a wider bandwidth of light to the plants, supplemented by the LED's high concentration in the red (~660nm) and blue (~460nm) wavelengths.

I am in fact having a custom 300w LED array featuring 5 different 1W LED's with 60 degree viewing angles built right now.  20% of the board will feature 4500K White LED's to fill out the spectrum alongside two shades of red, one blue and one violet.  I decided on this configuration after reading fairly extensively about LED's (spurred in large part by this very thread!), including some literature on photosynthesis and chlorophyll production in order to determine where the peak production occurs (with respect to light wavelength).

I'd like to know what specific LED agmotes used for his grow, as well as what type of CFL's (wattage/color temp).  Forgive me if this information was already presented!


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Edited by geokills (08/08/09 05:32 PM)

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LED's [Re: Data]
    #262110 - 08/09/09 11:31 AM (15 years, 5 months ago)

Interesting that the Boxer GrowL LED you're using features orange lights.  From what I could gather, light in the green/yellow/light orange spectrum provides minimal benefit for greenhouse growery.  Chlorophyll a and b production occur primarily at 400 - 475 nm (violet + blue) as well as 640 - 675nm (deep orange - deep red).  I read that orange wavelengths reaching into the 620 - 640nm range could help phycocyanin production, but as phycocyanin is known best as the blue pigment found predominantly in blue-green algae (cyanobacteria), I'm not sure it is relevant to cannabis?

At any rate, that's why I'm including 20% 4500K White LED's on the array I'm getting later this month... because I'm sure those intermediary wavelengths help for various secondary processes that the plant must go through for efficient production.  As for the UV remark, I am also including 5% violet/deep blue LED in the 430nm wavelength.  Not quite UV, but getting close and good for supporting chlorophyll a and beta carotene action.

I wonder what the viewing (light dispersion) angle is on the LED's you're using?  I'm going to run with 60 degrees on this first prototype, in order to focus the light in a tight enough beam that it can carry some distance to penetrate into the canopy, but wide enough that the various wavelengths can cross paths (mix) before hitting the top of the plant when placed about 10" above the canopy.


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