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Thread: First grow, flowering week4, leaf tips brown, curling, buds not getting bigger

  1. #11

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    Thank you! I'm leaning towards the same thing. Possibly nitrogen toxicity? Fingers crossed that an expert responds! I really appreciate your help!

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  3. #12

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    A link to the light you are using would be helpful, too.

    Also, what lighting schedule are you now on? How many hours on a day?
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  5. #13

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    Forget the recommend amount of nutes. You need to cut back to 2ml per feeding. For right now, I would water only until those tips clear up. we also need some lights off picture. JMO

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  7. #14

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    It won't let me add a link to the light, but it's on Amazon. The Lxyoug 600W LED grow light.

    They're on a 12/12 light schedule now. Click image for larger version. 

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  9. #15

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    Is it possible that using tap water is contributing to the problem? I'm going to water them tomorrow. I won't use any nutes, but I'm concerned that I may have too many minerals in my tap water that could be making it worse? I can't afford an RO system right now. Should I buy a couple gallons of distilled water?

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  11. #16

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    Overfed.

    No idea where you are in the world, but I'm pretty sure the water from the tap is ok for a soil grow. Can you drink it from the tap as a matter of interest?

    Just gonna check out the light.

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  13. #17

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    What's your watering schedule and how much, too, btw.

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  15. #18

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    Yeah, the water is fine to drink. I just keep reading about problems with too much chlorine etc. in the water. Honestly, all the online articles I've read have convinced me that I have all possible problems associated with cannabis cultivation. LOL Thanks for all the help, I really appreciate it.

    Any advice on watering frequency? My soil seems to stay moist longer than it should even with the perlite. I wanna flush out all the nutes, but I don't want to over-water and have a whole new problem to deal with. I've been watering every three to four days, and about a gallon per plant in the 5 gallon bucket. I always empty the runoff from the tray about 30 min after I water, and again the next day if more has accumulated.

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  17. #19

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    It's impossible to be accurate but after a water with a teeny bit of run-off, feel the weight of the pot. A couple of days later, it'll be really light...water when the pot is light.

    The most important thing though is not to be too downhearted this time. It's easy to stop after a dodgy run, but I bet the next time, you'll be fine. Just start a diary and/or ask for a mentor to help - we'll all chip in.

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  19. #20

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    Urk - that 600W light only draws 115W from the wall.

    How many plants have you covered by that? It's barely enough for one.

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