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Hydroguard and Powdery Mildew

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    Hydroguard and Powdery Mildew

    Ok, so i bring this PM issue up again.

    i am using SM-90 on a few peoples recommendations but i don't think it is gonna really do the trick as a foliar spray.

    my plants are DENSE and on one i can barely bend the branches enough to spray the interior.


    So i need someone to tell me if HYDROGUARD will be enough to knock any and all PM off my plant when used with my regular watering. i was told by someone in a shop that hydroguard is more for root protection and they hadn't seen it used to treat the leaves other than as a foliar spray.

    20kw dreams said a 1:4 mix to kill over night but that seems very heavy. Could this effect the bud development as they are moving right along?

    Also, Will SM-90 kill new pistol growth?


    thanks in advance

    #2
    I'd use neem oil. Neem oil works against insects, mildew, and fungus. The problem is that it smells funny. I use it once every 3 days or so. I also stop using it in the last couple of weeks due to the scent and allowing it to leach out of the plants all the way.

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      #3
      on most of my outdoor plants, the PM has been large here lately..

      indoors, a sulfer burner works best, if you have the extra money ($150) clears it up quick & keeps it away
      Huge BOG Outdoor Grow

      Huge BOG Indoor Grow

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        #4
        i am growing outdoor and if there is a miracle product that i can poor into my pots and get it to kill the PM totally i will pay what ever the cost.

        foliar spraying is not working effectively cause the plants are so dense.

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          #5
          hydroguard is just good bacteria that fights bad bacteria (ie. root rot). mildew is a fungus, not a bacteria, so i don't think that will solve your problem.

          someone correct me if i'm wrong, i've never had powdered mildew.
          336w CFL, DWC, Rubbermaid Tub Grower
          Current Grow: Cali Orange & Apollo 11
          Previous Grow: Apollo 11 HARVESTED

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            #6
            so can anyone second the theory of dumping a TON (1:4 and i usually water about 3 gallons per plant) of Hydroguard into my plants, all at once, to totaly beat the PM back and kill it dead.


            i figure i have about 1.5 months left and i would have to order hydroguard asap.

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