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Welcome to Hydrocanna.com! We are a Medical Marijuana Community of Growers, Breeders, Vendors and Medical Patients.
HC started in March 2009 and has quickly grown to be a reputable source of cannabis information. The name came from THC its self “( Tetrahydrocannabinol - THC )”. Its being supported by members that care about the community and want to make a difference.




  1. Announcement:
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    Nuggs (Green Works SD)
    06-22-2009
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Forum: The Infirmary

do you have sick plants? Need help with leaves? bug issues? any health issues regarding your plants go here.

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  1. Bugs

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    Forum Statistics:

    • Threads: 2
    • Posts: 15

    Last Post:

  1.   Sticky Threads  

  2. Sticky Thread Sticky: DIY Foilar for Mites/Powdery Mildew and other nasty beasties

    Hey all :) I ran across this DIY mite, pest and mold killer that is awesome. I can't remember where I picked it up originally but the thread went...

    Started by Hydro, 04-14-2009 03:12 PM
    • Replies: 4
    • Views: 225
    koolace
    07-04-2010 08:51 PM Go to last post

  3. Sticky Thread Sticky: Guide to sick plants

    I have put a lot of work into this for those who need it when im not around http://www.icmag.com/ic/images/smilies/smile.gif If you need help...

    Started by hydr1, 10-23-2009 08:59 AM
    • Replies: 7
    • Views: 349
    hydr1
    10-23-2009 09:38 AM Go to last post

  4. Sticky Thread Sticky: Fill out this form for diagnosing/treating sick plants

    PICTURES ARE WORTH A THOUSAND WORDS....Copy and paste this, answer questions and post pictures of your sick plants What is your experience level?...

    Started by hydr1, 09-22-2009 10:50 AM
    • Replies: 5
    • Views: 163
    Nuggs
    09-22-2009 11:56 AM Go to last post

  5.   Normal Threads  

  1. A little help please-Diagnosis needed

    Mag def? http://www.hydrocanna.com/attachment.php?attachmentid=22180&d=1283001646

    Started by LBH, 08-28-2010 06:21 AM
    • Replies: 3
    • Views: 57
    White Widow Man
    08-28-2010 10:24 AM Go to last post

  2. Is this a Magnesium deficiency?

    System: RDWC (280 gallon capacity) with a 32 gallon res. Currently holding about 250 gallons. Water Source: Tap Nutes: General Hydroponic Flora...

    Started by PrplHz, 08-27-2010 02:32 PM
    6 Attachment(s)
    • Replies: 2
    • Views: 36
    PrplHz
    08-27-2010 02:59 PM Go to last post

  3. to pull or not to pull that is the question

    so the spot problem is semi fixed by flushing they are making a comeback a little over 3 weeks to go and this girl started getting hairs again but...

    Started by nat e dred, 08-21-2010 07:25 PM
    4 Attachment(s)
    • Replies: 4
    • Views: 79
    nat e dred
    08-27-2010 12:23 PM Go to last post

  4. Sulfur Burners

    Ok, time is almost here for me to run a sulfur burner for the first time. Anyone ever seen one used, anyone ever used one themselves?? I've been...

    Started by Electro, 08-18-2010 01:37 PM
    3 Attachment(s)
    • Replies: 9
    • Views: 129
    FlipTheScript
    08-23-2010 01:39 AM Go to last post

  5. How to fix an Iron deficiency?

    I am running an RDWC, I believe some of my plants are suffering from an Iron deficiency. I am running a full dose of General Hydroponics Flora...

    Started by PrplHz, 08-14-2010 06:56 AM
    • Replies: 3
    • Views: 77
    PrplHz
    08-15-2010 08:16 AM Go to last post

  6. Root Rot Pythium, Phytophthora, Fusarium, Rhizoctonia, Theilaviospis, Cylindrocladium

    I got a clone from the co-op and the roots where stuck to the side of the cube , brown and dry. I did not think much of it as the leaves where green...

    Started by TJB_Bud, 08-09-2010 11:56 AM
    dwc, phytophthora, pythium, root rot 4 Attachment(s)
    • Replies: 8
    • Views: 123
    serial vaporist
    08-12-2010 08:18 AM Go to last post

  7. Couple leaf issues.

    Ok so I have a couple issues.. Starting flower over the next little while and wanted to see if I could get them fixed for max bud production. :bong5:...

    Started by dethmetul, 08-08-2010 02:15 PM
    5 Attachment(s)
    • Replies: 7
    • Views: 94
    custom
    08-09-2010 06:07 PM Go to last post

  8. White Flies?

    I had noticed the other day i had a couple of little white flies dead in my light. Today i was inspecting the plants and noticed little spots on some...

    Started by Rustyjay, 07-02-2009 09:04 PM
    1 Attachment(s)
    • Replies: 17
    • Views: 238
    Rustyjay
    08-06-2010 09:24 AM Go to last post

  9. Are my plants growing slow?

    What is your experience level? 2nd plant but i'd say i have a good knowledge in cannabis cultivation as i read about it all the time Your...

    Started by nick1409, 07-30-2010 09:58 PM
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 24
    • Views: 281
    nick1409
    08-03-2010 10:40 PM Go to last post

  10. whats up with this???

    Thread: Fill out this form for diagnosing/treating sick plants Thread Tools Show Printable...

    Started by whiplash, 07-26-2010 08:44 AM
    3 Attachment(s)
    • Replies: 0
    • Views: 65
    whiplash
    07-26-2010 08:44 AM Go to last post

  11. Leaf tips and edges curling..

    Anyone seen this, i checked that nice thread guide to sick plants, but all the images are not linked.. This is happening on all the new growth, it...

    Started by Electro, 07-03-2010 03:08 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 23
    • Views: 357
    Electro
    07-18-2010 01:03 PM Go to last post

  12. Some Leaves browning at tips

    Any suggestions on what the cause is?

    Started by deancuh, 07-12-2010 09:59 PM
    10 Attachment(s)
    • Replies: 7
    • Views: 149
    northern_light
    07-14-2010 12:59 PM Go to last post

  13. Leaves dying all of a sudden?

    Hey guys, so the past few days i've had these brown "dry spots" on some leaves, as you can see in the pics. they got considerably worse over the...

    Started by Electro, 04-11-2010 04:01 PM
    4 Pages •
    1 2 3 ... 4
    17 Attachment(s)
    • Replies: 76
    • Views: 712
    Electro
    07-11-2010 12:46 PM Go to last post

  14. carefull who you get your clones from

    my wife went to a hole in the wall dispersary and brought back these poor looking clones that were infested by spidermites. :matrix:

    Started by nokillhartman, 03-13-2010 02:07 AM
    2 Pages •
    1 2
    clones, leaf damage, spider mites 6 Attachment(s)
    • Replies: 20
    • Views: 229
    koolace
    07-04-2010 09:44 PM Go to last post

  15. fungus gnats

    :joint_rolling:anyone know a better way than yellow sticky traps to get rid of fungus gnats.

    Started by nokillhartman, 03-12-2010 11:48 PM
    2 Pages •
    1 2
    fungus gnats 5 Attachment(s)
    • Replies: 31
    • Views: 381
    whiplash
    06-29-2010 08:19 AM Go to last post

  16. Help

    day 30 in to flowering. any ideas what it might be? 18767

    Started by zman707, 05-30-2010 08:50 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 133
    whiplash
    06-29-2010 08:01 AM Go to last post

  17. powdery mildew just days from harvest

    ive been spot treating powdery mildew with serenade for a while now and was planning and stopping today since im going to harvest in 3 days. i was...

    Started by dr. weird, 06-21-2010 05:50 PM
    • Replies: 11
    • Views: 198
    Electro
    06-28-2010 06:12 PM Go to last post

  18. spotting, pH issue??

    you tell me :Smoker:

    Started by NY Purp'd, 06-11-2010 08:00 PM
    2 Attachment(s)
    • Replies: 5
    • Views: 175
    beachdude
    06-12-2010 06:09 PM Go to last post

  19. Yellow eggs.

    I was cleaning out my tent today after chopping 4 plants due to powder mildew (2 weeks away from harvest!!) and found these yellow egg clusters on...

    Started by Electro, 06-02-2010 08:17 PM
    yellow eggs pests pots 1 Attachment(s)
    • Replies: 9
    • Views: 111
    Electro
    06-07-2010 03:30 PM Go to last post

  20. droopy leaves

    ive got 4 grape apes in 3 gallon pots of ocean forest. ive been giving them high P bat guano (1 1/2 tbsp per gallon of water) every other week for...

    Started by dr. weird, 05-17-2010 04:32 PM
    • Replies: 7
    • Views: 130
    dr. weird
    05-18-2010 08:52 PM Go to last post

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