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Replacing for a CaCl2 source

Discussion in 'Aquatic Plant Fertilization' started by pat w, Jul 17, 2011.

  1. pat w

    pat w Member

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    I'm currently dosing CaCl2 in the form of DowFlake tm Calcium Chloride from Dow Chemical that I get from my swimming pool supply folks. The last time my wife went to the pool place and bought a bag she came home with Tetra Flake tm from Tertra Chemicals.

    Here's the break down:

    DowFlake

    www.oxy.com/msds/msds.asp?details=M48006

    Tetra Flake

    http://www.tetrachemicals.com/getFile.asp?File_Content_ID=3708

    I'm in a bind since I'm due for a water change and I haven't found Dowflake anywhere. Would the Tetra Flake be a suitable substitute?

    Pat
     
  2. Seattle_Aquarist

    Seattle_Aquarist Guru Class Expert

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    Hi pat w,

    I use Dri-Z-Air crystals, available for $1.50 at most hardware stores to remove moisture.
     
  3. pat w

    pat w Member

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    I don't use it for moisture removal. It's a calcium source I dose to the water column.

    Pat
     
  4. Hallen

    Hallen Guru Class Expert

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    Why not get some plaster of Paris? (atleast that's what I think it's called over there). It's cheap dissolvable and no chloride in it, I always use it together with some epsom salt and extra K for my GH booster.
     
  5. pat w

    pat w Member

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    Yeah i could ... but I've already got the CaCl2 for the swimming pool. I'm getting quite an inventory of chemicals ... I'm starting to expect black SUVs to pull up to my house any day now. When I mix up my ferts my son refers to the scene in the kitchen as my 'meth lab'. I'd just rather not add 'one more thing'.

    Pat
     
  6. BigFlusher

    BigFlusher Prolific Poster

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    both are about the same CaCl.H2O

    Cl is helpful
     
  7. BigFlusher

    BigFlusher Prolific Poster

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    also Tetra is food grade, don't know if Dow is or not
     
  8. pat w

    pat w Member

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    Cool .. Thanks, I feel a little better now about using it. On with the water change.

    Thanks to everyone else for the feedback, but what I really needed was support on using the other product I had on hand.

    Pat
     
  9. Seattle_Aquarist

    Seattle_Aquarist Guru Class Expert

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    Hi pat w,

    That is what I use it for as well. Dri-Z-Air is 90% CaCl. Per the MSDS:

    3. COMPOSITION/INFORMATION ON INGREDIENTS

    Component Percentage CAS Number
    Calcium chloride > 90.0 - < 92.0 10043-52-4
    Potassium chloride > 2.0 - < 3.0 7447-40-7
    Water > 4.0 - < 6.0 7732-18-5
    Sodium chloride > 1.0 - < 2.0 7647-14-5
    Calcium bromide (CaBr2)
     
  10. pat w

    pat w Member

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    Sorry SA, I assumed that it was something like a silica dessicant. I'll keep it in mind. It has a higher Ca content than either of the pool chemicals.

    Pat
     
    #10 pat w, Jul 18, 2011
    Last edited by a moderator: Jul 18, 2011
  11. Seattle_Aquarist

    Seattle_Aquarist Guru Class Expert

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    Hi pat w,

    Adding CCl to H2O creates an exothermic reaction; to avoid giving my fish a "hot mouth" I always mix my CaCl and water outside the aquarium.
     
  12. pat w

    pat w Member

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    Same here. Healthy fish are like infants, everything they see goes in their mouths first. If they don't like the taste they spit it out
     
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