Vatso Dosing Table

Discussion in 'Water Parameters and Additives' started by vatso, 18 May 2010.

  1. vatso

    vatso

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    Hi Peeps

    I thought I would kick start this. Please give some input if you have.
    [​IMG]

    Based on the above Table done by Randy Holmes-Farley of what the acceptable levels in our tanks should be.

    Tank Size = 500lts for the below formulas

    [FONT=Arial, Helvetica, sans-serif]Alkalinity[/FONT]
    Current Dkh 7
    Increase Dkh 8
    Bi-Carb = 3 tsp
    pH affect = Somewhat lower
    Note: Disolve 3 tsp of Bi-Carb with 1ltr RO water & Pour slowly in high flow area or sump wait 24 Hrs before testing again.

    [FONT=Arial, Helvetica, sans-serif]Calcium - to increase or maintain a 20 PPM per day use [/FONT]
    Current = 380 PPM
    Required = 400 PPM
    Calcium Chloride = 7 tsp
    pH affect = Minimal
    Disolve 7 tsp of Calcium Chloride with 1ltr RO water & Pour slowly in high flow area or sump wait 24 Hrs before testing again.

    [FONT=Arial, Helvetica, sans-serif]Magnesium [/FONT][FONT=Arial, Helvetica, sans-serif]- to increase or maintain a 20 PPM per day use
    [/FONT]Current = 1260 PPM
    Required = 1280 PPM
    Epson Salts = 20 tsp
    pH affect = Minimal
    Disolve 20 tsp of Epson Salts with 2ltr RO water & Pour slowly in high flow area or sump wait 24 Hrs before testing again.

    Epson Salts should not be used alone as a Magnesium Buffer please see the following post. http://reefkeeping.com/issues/2006-02/rhf/index.php#16

    I hope this give one an idea of where one can start with dosing & what one could consider "Safe"

    Happy Reefing

    Calculations used from
    [FONT=Impact, Arial, Helvetica, sans-seriff]Reef Chemistry Calculator[/FONT][FONT=Arial, Helvetica, sans-seriff] ©
    By: JDieck
    [/FONT]
     
    Galibore and manta like this.
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  3. christiaan

    christiaan

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    Thanks for this - great info vatso.
     
  4. Mekaeel

    Mekaeel Moderator MASA Contributor

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    I have made this thread a "Sticky".
     
  5. riyadhessa

    riyadhessa

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    Thank you very much for this...
     
  6. Bendor

    Bendor

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    Thanks @vatso! Old thread, good information.
     
    Last edited by a moderator: 26 Nov 2015
  7. Bendor

    Bendor

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    @vatso
    Does one tsp equal 5 grams?
     
    Last edited by a moderator: 26 Nov 2015
  8. dallasg

    dallasg Moderator MASA Contributor

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    No that's 5ml, ml to gram doesn't work, except for sugar :)
     
    Last edited by a moderator: 26 Nov 2015
  9. Bendor

    Bendor

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    Ok. That's a problem. The CaCl granules differ in size. 5ml large granules won't be the same amount as 5ml fine powder. Where as 5g is 5g every time.

    I dosed 50g of CaCl to tonight. I will measure tomorrow night and give a rough guideline of how many grams will increase a 100 liters by 20 ppm.
     
  10. Bendor

    Bendor

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    So after 24 hrs my Ca has gone from 340 to 440 in a 250 liter tank with 50g of CaCl.

    So 10g CaCl increased Ca by 20ppm in 250 liters.

    So 4g will increase 100 liters by 20 ppm.

    I will recheck the Ca tomorrow as 24 hrs may not have been enough to equally distribute the new Ca addition.
     
  11. Gareth0508

    Gareth0508

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    Thanks for this!
     
  12. dallasg

    dallasg Moderator MASA Contributor

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    Guys if you dosing large quantities please note
    Do not raise more than this per day to get to a target level, consumption is a different story
    Ca - 20ppm
    Mg - 10ppm
    Alk - 1kdH
     
  13. Bendor

    Bendor

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    Agreed. I miscalculated completely. I will check Ca again tonight to see total raise in Ca.

    Thanks
     
  14. Bendor

    Bendor

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    So my calcium is still the same. Maybe 10 ppm lower at 430 so I'm going to stick with the above calculations for CaCl bought from Protea Chemicals.
     
    Last edited: 27 Aug 2013
  15. durleo

    durleo

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    So what did you buy from protea and what quantity and price?
     
  16. Bendor

    Bendor

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    25 kg bags of CaCl, MgCl and Sodium carbonate about R200 each or there abouts.
     
    Last edited: 27 Aug 2013
  17. Bendor

    Bendor

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    I have previously calculated their MgCl to raise my tank water Mg by 1ppm for every 1 gram.
     
    Last edited: 27 Aug 2013
  18. Bendor

    Bendor

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    I will post when I have results for Sodium Carbonate. (Baked sodium bicarbonate)

    There are lots of threads with similar calculations and reef calculators but I don't know what the concentrations (or purity) are of the protea products so I'm trying some DIY calculations.

    Lots of people use these products from protea so there is some suggestion that it's safe. No facts though.
     
  19. Trasique

    Trasique tahir

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    @Bendor I've been using pharm grade products from protea chem for sometime and I'm quite happy with them.
    My initial problem was getting my stock solution ratio. But once that was sought the rest was fairly simple.
    My stock solution consist of 50grams chemicals to one liter ro. This disolves the chemicals fully. Any more chemical and a risidue usually remains.
     
    Last edited by a moderator: 26 Nov 2015
  20. Trasique

    Trasique tahir

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    @Bendor how are you mixing your stock solution.
     
    Last edited by a moderator: 26 Nov 2015
  21. Bendor

    Bendor

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    I mixed 50g CaCl in 2 liters RO. Was still planning to do max weight dilution. Thanks a lot for the advice!
     
    Last edited by a moderator: 26 Nov 2015
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