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Keeping a sterile res in dwc Shock Chlorine Advice

Discussion in 'DWC/ Bubbleponics' started by zypheruk, Sep 3, 2017.

  1.  
    zypheruk

    zypheruk Well-Known Member

    Well I'm running 2 dwc containers, both have clones from the same mother in them, 1 tub has just plain tap water and a little nutrient, the other tub has same tap water and nutrient levels and pool shock. Air pump feeding both tubs and airstones.
    Both tubs have the same temps ie 24c. Water temp is way to warm, not even trying to control it. Will let them run for a couple a weeks and see what the results are.

    In the mean time I will be making a start on a new dwc setup along with a new chiller, but that's for another thread.

    Everyone has their own opinions, but lets not start ww3, others are doing just grand at it.

    Cheers Lads
     
    rkymtnman likes this.
  2.  
    rkymtnman

    rkymtnman Well-Known Member

    exactly!

    did you ever find out what % yours is?

    see if you can find a thread here by jijiandfarmgang about running a sterile res. she breaks down how to figure out ppms based on % calcium hypo. i think she only ran at 1ppm free chlorine but i think 2 to 3ppm is better at killing pythium/root rot.

    i'm doing 2 GH waterfarms at the moment and the roots look gorgeous even with water temps at 85F (not sure what that is in C lol)
     
  3.  
    zypheruk

    zypheruk Well-Known Member

    @rkymtnman never got the percent info, but I'm using it at 0.3grams per 20 litres and not seeing any ill effect from it. Will run it for a few weeks and see how it goes. Building a rdwc setup for my small cab atm, chiller and some other parts won't arrive till middle next week. Hopefully I can grow with out fear of the dreaded rot when complete.
     
    Sour Wreck and rkymtnman like this.
  4.  
    rkymtnman

    rkymtnman Well-Known Member

    i kept on using pool shock even when i was doing rdwc with chiller. figured what the hell, better safe than sorry.
     
    zypheruk likes this.
  5.  
    CannaBruh

    CannaBruh Well-Known Member

    I ran UC roots in all my reservoirs over the summer, never was able to do that without bleach. No chillers needed.
     
    zypheruk likes this.
  6.  
    aeg831

    aeg831 New Member

    Except that I did it on my last grow & it was hands-down the most successful & easiest grow in over a decade. The glowing-white root balls, plant health & yields were jaw-dropping. You can attempt to "pseudo-science away" the results of my experience. As for me, I am converted. I desire to convince no one, just sharing actual experience (vs. theories). Do the experiment. You'll be glad you did.
     
    Last edited: Nov 16, 2017
    zypheruk, glani and rkymtnman like this.
  7.  
    rkymtnman

    rkymtnman Well-Known Member

    @Twerkle you still around, genius??? i've posted 3 other people that use chlorine for a sterile res.
     
  8.  
    CannaBruh

    CannaBruh Well-Known Member

    still use it in everything, cloners, veg, flower, although i have been trying to dial back near end of flower while playing with mammoth p
     
    zypheruk likes this.
  9.  
    Sour Wreck

    Sour Wreck Well-Known Member

    interesting thread, off to amazon to check out poolshock
     
  10.  
    Sour Wreck

    Sour Wreck Well-Known Member

    ordered some shock, i get an occasional issue in my DWC. usually not fatal, but would like to just keep things clean.

    anyone else ever use hydrogen peroxide in small doses? i have in the past with success
     
    rkymtnman likes this.
  11.  
    rkymtnman

    rkymtnman Well-Known Member

    peroxide works but it's more of a nuclear option in my opinion.

    i prefer chlorine in the pool shock. and a bonus is that it actually a tertiary nute that can be used by the plant.

    you can use 1 to 5ppm of free chlorine which is safe fro humans and plants. i used 3ppm as a middle ground.

    0.30 grams per 10 gallons water is 3ppm. you'll need an accurate scale for sure.
     
    zypheruk and Sour Wreck like this.
  12.  
    Sour Wreck

    Sour Wreck Well-Known Member

    thanks, my tubs are gonna get a little dose next week when my pool shock arrives
     
  13.  
    Sureshot2

    Sureshot2 Well-Known Member

    Thinking of testing this out on my next grow. How often are you adding the pool shock to the res?
     
    zypheruk and rkymtnman like this.
  14.  
    rkymtnman

    rkymtnman Well-Known Member

    once a week with a new res if you change res once/week. if you go 10 to 14 days, add it twice a week.

    if you have root rot, up it to 5ppm and really flood everything from stem thru the medium to bottom of roots
     
    zypheruk likes this.
  15.  
    redi jedi

    redi jedi Well-Known Member

    Pool shock works great. Best used as preventative measures. H202 is better for treating if pythium has already taken hold. I forget the calculation but I add 1 gram to 90 gallons at 65% concentration...this is roughly 2 ppm
     
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  16.  
    Sour Wreck

    Sour Wreck Well-Known Member

    just put .15grams in 5 gallon veg reservoirs
     
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  17.  
    zypheruk

    zypheruk Well-Known Member

    @Sour Wreck mind and update with how things are working out or not.
     
    Sour Wreck likes this.
  18.  
    zypheruk

    zypheruk Well-Known Member

    Running my setup with a couple of small plants max 3 weeks old, res temp 18c 24/7 with the chiller, using canna vega, and pythoff. Bang rot root.
    So just flung some shock in there 0.45grams into 65 litres of water along with the pythoff that was already in the mix.
    Background EC from the tap is 0.3 total feed strength 0.5, so certainly no over feeding.
    Lets see how things go over the next 7 days.
     
  19.  
    Sour Wreck

    Sour Wreck Well-Known Member

    Will do...
     

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