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Thread: VFT Hydroponics Experiment

  1. #17
    mobile's Avatar
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    Quote Originally Posted by Not a Number View Post
    From what I've been reading even if you pre-treat the rockwool it acts like a buffer and you have to monitor the pH.

    Dionaea appear to need more acidic conditions than most other CP species (BACPS panel of growers). And their roots are more sensitive to nutrients than other species. With a high enough level of nutrients the roots atrophy and plants slowly die over a period of 2-3 months. This fits in with the observation that Dionaea growth gets more stunted the longer they are potted in the same media. An repotting "rejuvenates" growth. Peat moss breaks down with age releasing nutrients. Some growers repot their flytraps as often as once a year.

    I wouldn't rely on TDS to monitor pH without taking baselines.
    I agree, pH needs to be monitored. At the moment I can do this with litmus papers but I need to invest in a pH meter in the near future. The main reason I add Orchid Ultra is because it consists on fulvic and humic acids which lower the pH. I've been using 0.75EC nutrient solution for approximately three months now and have not observed any detrimental effects yet. In fact, the roots are starting to appear out of the mesh pot and growing directly in the nutrient solution. My setup is quite basic and would benefit from a larger reservoir which would give more EC and pH stability, but I didn't really anticipate VFT hydroponics actually working so didn't invest much time or money in it. I intend leaving this as a long running experiment and will post results, whether they be positive or negative.

  2. #18
    Let's positive thinking! seedjar's Avatar
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    Quote Originally Posted by mobile View Post
    Hi seedjar,

    I used Growth Technology Formulex for Nepenthes. This is often referred to as a 'soft' nutrient solution and is commonly used for seedlings and cuttings. It has a N-P-K of 1.8:0.21:1.95
    Haha, fertilizer specifically for Neps - I would never have thought. I'll search around for that.
    Thanks,
    ~Joe

    PS - Oh, now I understand. You were using italics in the context of proper binomial naming. I'm too used to being lazy and using unstyled text - I thought you were trying to emphasize that there's a hydroponic formula for Neps in particular.
    o//~ Livin' like a bug ain't easy / My old clothes don't seem to fit me /
    I got little tiny bug feet / I don't really know what bugs eat /
    Don't want no one steppin' on me / Now I'm sympathizin' with fleas /
    Livin' like a bug ain't easy / Livin' like a bug ain't easy... o//~

  3. #19
    marvin1997's Avatar
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    Erm may I know why can the Vft take nutrient up it's root without getting sick

  4. #20
    mobile's Avatar
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    Quote Originally Posted by marvin1997 View Post
    Erm may I know why can the Vft take nutrient up it's root without getting sick
    This plant has been in nutrient solution for months with no sign of any problems. I add Osmocote to my standard VFT mix of peat/perlite/sand and again have not noticed any ill effect. Time will tell if there's any long term effects.

  5. #21
    mobile's Avatar
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    New season update (2010)

    My hydroponics VFT has been in dormancy over winter. The plant is on my kitchen windowsill so has been at room temperature (albeit a cool room temperature) all of the winter but the reduced day length was sufficient to stop most growth and many of the traps died back. I carried on topping up the reservoir as normal, so basically it's been kept as wet in winter as it was during the summer, but I stopped feeding it nutrients and only occasionally gave it a small amount of humic and fulvic acid (Orchid Ultra). Day lengths are extending now and new growth is visible...



    As you can see, the rockwool cubes are sustaining moss growth...




    And roots are growing out of the bottom of the mesh pot...

  6. #22
    ermahgerd petmantis's Avatar
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    Wow! Well, this looks quite successful! Great experiment, Mobile!
    <Heli> How are you guys losing your hamatas?
    <Brokken> Heli: The hamburglar.

  7. #23
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    Wow what a nice experiment here and it is quite successful too.The plant looks beautiful and is grown hydroponically. Here it is giving perfect results and it is quite long lasting too as the system is set very well.
    grow tent and be healthy

  8. #24
    Confused Magikarp fdfederation's Avatar
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    Nice results!

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