ProMix... Is it considered hydroponics or soil gardening?

Discussion in 'Advanced Marijuana Cultivation' started by max316420, Feb 13, 2018.

  1.  
    Roger A. Shrubber

    Roger A. Shrubber Well-Known Member

    i ph promix to 6.3, i did a little research when i started using it, and that was what a lot of people were doing. i tried it and never had a problem with it, so i keep doing it. i do allow it to drift down to 6.0 and up to 6.5 now and then, but always come back to 6.3
     
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  2.  
    thumper60

    thumper60 Well-Known Member

    its a little of both lol I think its the best of both worlds hydro results with a little buffer
     
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  3.  
    Gquebed

    Gquebed Well-Known Member

    I ph my nute solution for promix between 6.1 and 6.4.

    I also use the AN ph perfect line. It is meant for RO water... when you use RO water the ph perfect line it actually works very well.

    If your ph is ending up at 4.5 then your water must be starting out at a very low ph. My water comes out at the tap at about 6.8 to 7.5 usually, depending on time of year. After i add my nutes i usually end up around 6.5ish... then i bring it down a bit.
     
  4.  
    18B

    18B Well-Known Member

    I run promix always, top dress with my mixed ferts...my water is always 5.9ph going in...been that way forever and it's perfect for me.
     
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  5.  
    thumper60

    thumper60 Well-Known Member

    u no I have been using promix since late 80s, have used all kinds of water stream, swamp, pond, rain, well, never have I tested the ph always get good results the only ph testing I do is on my fish tank the buffer is built into it good for about 100 days
     
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  6.  
    Roger A. Shrubber

    Roger A. Shrubber Well-Known Member

    maybe it's more forgiving than we think. if 5.9 works for you, use it, 6.3 has been working for me, maybe anything between the two would be good, just don't know, maybe i'll experiment a little when i have some more set aside
     
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  7.  
    Chef420

    Chef420 Well-Known Member

    I’ve been growing for 2 years and have used pro mix the whole time. I like it but hp and NOT the one with vermiculite.
    I was told initially I didn’t have to be concerned with ph. Not true. From my research etc as stated 6.3 seems to be the sweet spot. I use tap water (124 ppm) but have to add ca/mg
     
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  8.  
    thumper60

    thumper60 Well-Known Member

    really the main thing is let the shit dry out if it stays damp its rots,i used to cut coco promix 50-50 works great just a pain hydrating the big blocks of coco,if I miss a feeding with promix u c it next day just like hydro
     
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  9.  
    18B

    18B Well-Known Member

    My water comes out of the spring house at 5.9...lime creeks????
    I always make my amendments and it bounces back to 5.9 for the win...I have never had anything but healthy plants and never a lockout...I also use very minimal nutes...I never hit them hard or use pgrs...just nutes on the low end every other time.
     
  10.  
    max316420

    max316420 Well-Known Member

    using well water and its a perfect 6.5 before adding nutes then goes down to 4.5 but ive been bring it back up to about 6.0 and that seems to be working good til i just fucked up last night and decided to try out recharge beneficial bacteria and my plants did not react very well to it. Seems like the recharge burnt my fan leaves because yesterday morning there wasnt a single spot on any leaves and this morning there is spots all over fan leaves that are similar to this pic ( sorry dont have a cam at the moment so had to find a pic off the net that looked similar to whats going on), the spots are on plants that are in veg and bloom and i havent changed anything except for using the recharge. But what i dont understand is on the package they claim that wont burn the plant regardless of how much you dose it. I didnt go overboard on it, i just used 1 ts per gallon and every single plant that i used it on now has the spots on the fan leaves. I know its not a def cause it literally happened within about a 10 hour period. Needless to say im quiet pissed lol live and learn i guess
     

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    Last edited: Feb 28, 2018
  11.  
    Gquebed

    Gquebed Well-Known Member

    Maybe mixing the recharge with the AN nutes created threw something out of whack and burned em up? I dunno...
     
  12.  
    Coloradoclear

    Coloradoclear Well-Known Member

    Good information. I use Sensi A & B with ocean forest (I do not fertilize much during veg). This next grow I will be using ProMix HP. Why does the PH drop with ProMix if it is enert?
     
  13.  
    Chunky Stool

    Chunky Stool Well-Known Member

    It has lime (cal-mag) to buffer the acidity of peat.
    It doesn't have any NPK.
    I've found that I still have to add cal-mag. Some plants like more than others...
     
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  14.  
    Roger A. Shrubber

    Roger A. Shrubber Well-Known Member

    ^ this, treat it kind of like coco that doesn't eat so much Mag, and need to dry out a little more
     
  15.  
    ugmjfarmer

    ugmjfarmer Well-Known Member

    The amino acids and fulvic acids can cause the plant to uptake more nutrients immediately and this can cause that issue if you don't dial back the base nutes. anytime you add fulvic/humic/aminos to soilless, 25-35% dial-back in nutrient strength is in order.
     
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