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Ei Dosing With No Co2

Discussion in 'Estimative Index' started by donkey, Apr 12, 2021.

  1. donkey

    donkey Junior Poster

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    Hi All

    I want to start dosing my 140L tank using the EI dosing method,but i don't use CO2 . I do dose Excel but that's about it. Can i still use the EI method on this tank and if so what would i need to dose

    Thanks Guys.
     
  2. donkey

    donkey Junior Poster

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  3. Johnjohnjohn87

    Johnjohnjohn87 New Member

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    I don’t have a link to it, but I think this is covered in one of the EI articles and the author gives recommendations.

    The rotala calculator also has options for calculating dosages for low light/weekly single dosing that you could start with.
     
  4. donkey

    donkey Junior Poster

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    Thanks for the reply,i was starting too think no one was using this site anymore . I will have a look at that calculator and see if i can work it out


    Thanks:)
     
  5. donkey

    donkey Junior Poster

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    Cant really work out how to use that calculator for my tank. I think this EI dosing method is really for people that are using CO2 and very high light, don't think its for people like me using medium light and Excel, So I'm going to scrap it and go back to using API Leaf Zone as its much easier. But thanks for you help.

    :)
     
  6. Mooner

    Mooner Lifetime Charter Member
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    https://barrreport.com/threads/non-co2-methods.2792/

    Directly from this thread:

    "Going back and assuming 80-90% of the nutrients will come from the fish load, I added once a week KNO3/KH2PO4.

    While trace mixes can be added, I decided to use SeaChem Equlibrium instead.
    It has Fe and Mn as well as Ca/K/Mg/SO4.
    I will add about 1/4 teaspoon per 20 gal tank once every week or two.
    This greatly enhances the growth of the plants.
    I also will add about 1/8" and 1/32" teaspoon of KNO3 and KH2PO4 respectively once a week or two.

    The plants will respond very well to this routine. You can let the tank go for awhile and not dose to purge any excesses that might have built up over a month or two or you can test to see rather than do the water change.

    DW does not suggest dosing, but adding 2-3 things once a week or two, certainly is not that tough???? the plants do gain a lot and then you can grow most any plant in a non CO2 tank.
    From here if you want more growth, Excel is a good option. You can add about 2-3x as much ferts then."

    "Excel is a good option. You can add about 2-3x as much ferts then."

    The information you are looking for is on this Forum, just takes a bit of reading ;)
     
  7. donkey

    donkey Junior Poster

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    Thanks for the help Mooner

    So if i have this right i should be dosing

    KNO3 ---6.82 mg
    KH2PO4 ---603 mg
    MicroMix --- 699 mg
    For my 140L tank every week.

    i also have some Equilibrium can i also add some of that ?

    :)
     
  8. Mooner

    Mooner Lifetime Charter Member
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    This would be OK, Maybe start at the 2x and work up to the 3x slowly. Watch your GH, IME the Equilibrium is needed in moderation depending on your water supply, especially if your not doing water changes. Keep your light in check as this will overdrive the tank. Make sure the tank is packed with plants to start with as growth is slow.
     
  9. donkey

    donkey Junior Poster

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    Hi

    Just been looking at what i said

    KNO3 ---6.82 mg
    KH2PO4 ---603 mg
    MicroMix --- 699 mg
    For my 140L tank every week.


    This seems a lot. As i want to dose dry am i right in thinking mg is grams ? i do have a small pair of scales i can use i also have some very small spoons as well


    Thanks

    :)
     
  10. Mooner

    Mooner Lifetime Charter Member
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    The Excel routine is 2x-3x more ferts than the non-Co2 routine, this is suggested. Yes grams, this is a once a week dosing. Mind the amount and duration of light, today LED's are more powerful than the light used when this article was written.

    Rotala Butterfly.png
     
  11. donkey

    donkey Junior Poster

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    Thanks for the help so far :)

    So if i have this right every week i need to add

    KNO3 2.28 Grams

    KH2PO4 201Grams

    Micro Mix 233 Grams

    EQ 7.18 Grams

    But as i am dosing Excel i might need to add 2x-3x more
    Also i forgot to say i do 50% water changes every week

    .
     
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