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20 Gallon Long Low Tech W/ Only Crypts And Anubias How Much To Dose?

Discussion in 'Non-CO2 Methods' started by rs18alpha, Jan 15, 2018.

  1. rs18alpha

    rs18alpha Subscriber

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    I have a high tech that I dose EI.

    I'm going to set up a low tech 20 gal long with no CO2.
    The only plants that I'm going to use are a few different types of Crypts and Anubias.
    I'll be doing a 50% WC every week.
    I don't know how many ppm to dose my N P K and CSMB ferts?

    I also don't know how many days a week I should be dosing?

    Thanks for the help!!
     
    #1 rs18alpha, Jan 15, 2018
  2. Allwissend

    Allwissend Article Editor
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    As you are already dosing EI for the other tank I would suggest dosing the same thing on the same days to the new one. As for the dose, maybe 1/2 of the recommended EI is a good starting point.

    You can adjust up or down depending on the plant response. As the biomass increases they will consume more up to a point, but by and large 1/2 of EI should cover it.

    Also consult this thread:
    https://barrreport.com/index.php?threads/422/
     
    #2 Allwissend, Jan 16, 2018
  3. rs18alpha

    rs18alpha Subscriber

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    Thanks, one more thing. Since this is a low tech I'm not sure how long the lights should be on all day?

    If I set up a 40 gal low tech as well can I assume I should dose that size tank at half the EI amount as well?
     
    #3 rs18alpha, Jan 16, 2018
    Last edited: Jan 16, 2018
  4. Allwissend

    Allwissend Article Editor
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    Start with 6 hours. You can increase it later and see if you get algae or not. It is also a question of light intensity. If light is too intense even the 6h can create problems. What light do you use ?

    You can scale the dosing and get the same concentration. However, adjustments should be made for each tank individually (if you are into that sort of tweaking).
     
    #4 Allwissend, Jan 16, 2018
  5. rs18alpha

    rs18alpha Subscriber

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    I'm using two little clip on LEDs Super Slim White 5730spectrum 36leds So, I would say it's low light.
    I want the lights to be over the crypts and I don't want much light over the Anubias.
    I have these in a 20 long now and with them on one side and I light the way it looks.

    As far as the ferts go. With low light low tech do you think I should still dose macs and mics 3x week?
     
    #5 rs18alpha, Jan 16, 2018
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