Proper BRS Mg Mix ratios

Discussion in 'Bulk Reef Supply' started by pboutin, May 23, 2017.

  1. pboutin

    pboutin Active Member CTARS Member

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    I dose the BRS Mag mix which I mix according to the directions on the side of their supplement containers, which says 5 cups of Magnesium Chloride hexahydrate and 3 cups of Magnesium Sulfate mixed to a level of 1 gal with RODI water. Although in Ryan's video he says it's 7 1/4 to 3/4 cup ratio to the 1 gal total mix.



    What's the proper mixing ratios?
     
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  2. randyBRS

    randyBRS BRStv Apprentice :-P R2R Supporter Gold Sponsor

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    Hey there!

    There are two different mixing instructions for the Magnesium. The 5:3 ratio is for use with our Alk/Ca 2-part dosing solutions, while the mixing instructions Ryan demonstrates in this video is for those who use a Calcium Reactor, Kalkwasser or an alternative method of maintaining Alk/Ca. :)

    If you are using the 2-part kit, you will want to use the 5:3 ratio. :)


    -Randy
     
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  3. dougers31

    dougers31 Valuable Member R2R Supporter

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    I am curious why the brs site only shows the 5:3 ratio in their instructions. Also, on my newer container of mag chloride it only shows the 5:3 meanwhile on my older mag sulfate container it shows both mixing ratios(other for kalk) Why isn't the kalk ratio on the newer containers or on the website???
     
  4. redfishbluefish

    redfishbluefish Stay Positive, Stay Productive R2R Supporter Reef Squad Leader Reef Squad R2R Excellence Award Build Thread Contributor Article Contributor NJRC Member

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    As stated, the 5:3 ratio is if you're using the BRS Alk and Calc recipes as well. This ratio balances out the ions and everything is happy. A further explanation of the amounts, and why you use them, can be found in THIS ARTICLE from Dr. Holmes Farley. The BRS recipe (5:3 ratio for Magnesium) is based on Randy's Recipe 1.
     
  5. dougers31

    dougers31 Valuable Member R2R Supporter

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    Thanks for the reply but it doesn't really answer my main question.
     
  6. redfishbluefish

    redfishbluefish Stay Positive, Stay Productive R2R Supporter Reef Squad Leader Reef Squad R2R Excellence Award Build Thread Contributor Article Contributor NJRC Member

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    I was responding to the OP. Your query can only be answered by BRS.
     
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