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How do you read a water report

Discussion in 'General Plant Topics' started by mike, Jun 12, 2012.

  1. mike

    mike Guru Class Expert

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    Hi All,

    What should I be looking for in a water report and what is considered high and low values. I live in Montreal Quebec. Some of the obvious things in the report are...

    PH -> 7.6
    Fixed solids -> 141 mg/l
    Total solids -> 173 mg/l
    Ca -> 31.37 mg/l
    Total Hardness (CaCO3) -> 116 mg/l
    K -> 1.55 mg/l
    Mg -> 8.14 mg/l
    N -> 0.315 mg/l
    P -> 0.007 mg/l
    Na -> 12.66 mg/l

    There are a lot more values but want is relevant?

    Wondering if I should be increasing the GH and/or KH

    Thank you,

    Mike

    P.S. I tried to attach the report but it's too large.
     
  2. Biollante

    Biollante Lifetime Charter Member
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    KH By Many Other Names... Just As Confusing...

    Hi Mike,

    Do you have a link?:confused: The only link I have does not want to cooperate.:disillusionment:

    From what you have listed, it does not appear you need GH boosters.:)

    Is there anything that says “Alkalinity,” “Bicarbonates,” “carbonate hardness” or “temporary hardness?”

    Biollante
     
  3. mike

    mike Guru Class Expert

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    #3 mike, Jun 12, 2012
    Last edited by a moderator: Jun 12, 2012
  4. Biollante

    Biollante Lifetime Charter Member
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    Le français n'est pas un problème

    Hi Mike,

    French is not a problem;:) the link does not take me anywhere.:disillusionment:

    I doubt there would be any surprises from water in a modern city.

    Pretty much the information you provided, I also like to know about metals and organophosphates in the water, in Canada I doubt “they” will allow much in the way of pesticides, organophosphates being the most common and deadly to our inverts, metals can be a different story.

    Directly it appears your water is excellent for most plants and critters.:cool:

    Biollante
     
  5. mike

    mike Guru Class Expert

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    Vous êtes un insperation à tous, je vous remercie

    This one seems to work.

    http://ville.montreal.qc.ca/pls/portal/docs/PAGE/EAU_FR/MEDIA/DOCUMENTS/RAPPORT_QUALITE_EAU_POTABLE_2011_.PDF

    In any case I will stick to my existing EI dosing schedule and won't bother with the GH and KH then. As it stands the tank is 33G with 1 x 39W T5HO about 5 inches from the water surface on for 7 hours and pressurized CO2. The substraight is very cheap gravel but I add Osmocote clay balls a few times a year. It's VERY heavly planted with Ferns, various Anubius, Blyxa Japonica, various Crypts, various Vals, Aponogeton, Echinodorus tenellus .... and the list goes on. The 33G has become a holding tank until I get my 125G going, which should be in about 2 weeks, but I'm going to be doing the DSM with an MTS substraight and a black sand cap. So, except for the plants that will be in the tank during the DSM, I won't be moving my existing plants for about 8 to 10 weeks.

    My EI dosing is as follows:

    Sunday 50% water change
    1/4 tsp of KNO3 - 3 times a week (Sunday, Tuesday, Thursday)
    1/16 tsp of KH2PO4 - 3 times a week (Sunday, Tuesday, Thursday)
    1/16 tsp CSM+B - 3 times a week (Monday, Wednesday, Friday)

    When I get my 125G going I was planning on the following dosing stratagy:
    Schedule is the same as above.
    1 tsp KNO3
    1/2 tsp KH2PO4
    1/2 tsp CSM+B

    Thank you,

    Mike
     
  6. Biollante

    Biollante Lifetime Charter Member
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    Vous êtes trop gentil, merci.

    Hi,

    C'est très bien "ils" vous donner toutes les informations des matières organiques ainsi.
    ;)

    Your water looks very good and “they” seem through, I think everyone should have access to this kind of information. I understand sometimes people get carried away with things, but I always think information is good, even if it means the people in charge have to explain things.

    I think your current dosing for the small tank is good.
    :)

    For the larger tank, I would dose ⅛ teaspoon KH[SUB]2[/SUB]PO[SUB]4[/SUB], three times a week, instead of
    ½ teaspoon.

    Biollante
     
  7. mike

    mike Guru Class Expert

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    Excellent, thank you very much.

    Mike
     
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