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Thread: Dosing Alkalinity & Calcium

  1. #1
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    Question Dosing Alkalinity & Calcium

    Hi fellow reefers. My tank is still pretty new and don't need to dose at the moment. I do want to be ready when the time comes.


    I've purchased the Neptune DOS with the Dual Reservoir. Any recommendation on which Alkalinity & Calcium product I should be using?

  2. #2
    Apex User zombie's Avatar
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    I use the BRS stuff cause it's super cheap and lasts forever. You just have to mix it with water yourself.

    You might be an engineer if...You have no life and can prove it mathematically.

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    Quote Originally Posted by zombie View Post
    I use the BRS stuff cause it's super cheap and lasts forever. You just have to mix it with water yourself.

    You might be an engineer if...You have no life and can prove it mathematically.
    I'm on their page now. Confusing. Which product is it? https://www.bulkreefsupply.com/calci...ments/brs.html

  4. #4
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    I use this one.

    https://www.bulkreefsupply.com/brs-2...kage-bulk.html

    You might be an engineer if...You have no life and can prove it mathematically.

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    Quote Originally Posted by zombie View Post
    I use this one.

    https://www.bulkreefsupply.com/brs-2...kage-bulk.html

    You might be an engineer if...You have no life and can prove it mathematically.
    Thank you. I was confused because it says 2 Part Calcium & Alkalinity Total Package, but the details show Calcium, Alkalinity, Magnesium Chloride, and Magnesium Sulfate.

  6. #6
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    The mag is a mix between the two mag substances.

    You might be an engineer if...You have no life and can prove it mathematically.

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    Frequent Visitor rkpetersen's Avatar
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    I'm using SeaChem Reef Fusion 1 & 2. Largely because it's what I got from my lfs when I first set up this tank and haven't yet seen fit to try something else. Just put it right in the DOS dispensers. Convenient but pricey. If I had a much larger tank and/or more tanks, I'd mix my own too.

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    Likewise I have not had the need to dose 2part yet. But I have a DOS and Dual Reservoir ready. I am setting it up soon. The only thing that gives me reservations is the size of the dual reservoir. Everything I see has BRS mixing in gallon jugs or larger. How often do you expect to need to refill the DDR? How many mL does it hold?

  9. #9
    Apex User zombie's Avatar
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    You can also cut the recipe too. I mix in half batches cause it makes it a million times easier to mix. Each vessel is half a gallon so that's the perfect amount to mix. You could even do 1 quart mixes and keep them topped off before they're empty.

    You might be an engineer if...You have no life and can prove it mathematically.

  10. #10
    Master Control Freak RussM's Avatar
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    The DDR hold 2 liters in each reservoir. How often it needs to be refilled depends on usage - it could last a week, or a few months. You need not mix only the amount to be used to refill the DDR - just mix a gallon at a time.
    I'm not a Neptune support rep. Please do not send me PMs with technical questions or requesting assistance - use the forums for Apex help. PM me ONLY if the matter is of a private or personal nature. Thanks.

  11. #11
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    Quote Originally Posted by RussM View Post
    The DDR hold 2 liters in each reservoir. How often it needs to be refilled depends on usage - it could last a week, or a few months. You need not mix only the amount to be used to refill the DDR - just mix a gallon at a time.
    excellent. Great point. Thank you.

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