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Thread: Cal-Mag or something else

  1. #1

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    Default Cal-Mag or something else

    Hi

    Having a little trouble with Hubbabubbasmelloscope. 40 days old

    Growing in coco. Drip fed.

    EC 0.8. Ph 6.2.

    I have given her a 20l flush with pHd RO water.

    The leaves are pointing up and have brown specs which I initially thought was wind burn and then Cal-Mag deficiency. Now I wonder if it could be heat stress being so tall?

    Click image for larger version. 

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    Bud Lightyear (31-05-19), hotshot (31-05-19)

  3. #2

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    Default

    Is this drip feed recirculating or run to waste if recirculating what's the volume of the rez, rez temps and how often you changing it ? Also are you using RO in the feed solution ?


    Regards BL

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  5. #3

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    Default

    Hi Bud Lightyear

    Yes, it is a run to waste system.

    Yes I use RO brought up to 0.35EC with cal-mag.

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  7. #4

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    Default

    Looks a bit overfed to me...I see in your diary you have flushed and dropped the Ec thats a good move so monitor it over the next few days see how she goes...You could up the cal-mag a tad bringing your base RO up to 0.4~0.5 just to make sure your covered in that respect...I can't advise on the lamps i've never used them but I believe they are quite intense and should at around 18 inches from canopy...Hopefully someone with more experience with these lights will chime in...


    Regards BL

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  9. #5

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    Default

    Hi Bud

    Many thanks for your reply.

    I suspect it may be heat / light damage - as HBBS was 4" away from the QBs!!!!

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    I have just now super cropped her, to give me some head room.

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    Certainly a lesson learnt in reading the strain guide! 1.6m tent is no way big enough for this girl!

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