Additives

At BulkReefSupply.com, we carry our own BRS line of aquarium supplements to meet your saltwater aquarium and reefing needs. Maintain proper water parameters with our high quality bulk Calcium Chloride, Magnesium Chloride and alkalinity supplements such as Soda Ash and Sodium Bicarbonate. Create an easy maintenance system by using our 2 Part Calcium & Alkalinity Total Packages with 2 Part Dosers. Explore the benefits of Kalkwasser or our Kalkwasser Starter Kit which can make reef aquarium maintenance easier. By adding supplements in your tank, you are helping your coral grow and flourish in your underwater reef. Or try a variety of 2 Part Calcium & Alkalinity products from ESV, Red Sea, Brightwell, Two Little Fishies or Fauna Marin 2 Part Balling Salts.

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446 Items

  1. 2-Part Pharma Calcium & Alkalinity Total Package Pre-Portioned
    Bulk Reef Supply
    2-Part Pharma Calcium & Alkalinity Total Package Pre-Portioned
    $124.99

    $124.99
    Add to Cart
  2. 2-Part Pharma Calcium & Alkalinity Total Package Pre-Portioned with Dosers
    Bulk Reef Supply
    2-Part Pharma Calcium & Alkalinity Total Package Pre-Portioned with Dosers
    $259.99

    $259.99
    Add to Cart
  3. 2-Part Pharma Calcium & Alkalinity Bulk Total Package
    Bulk Reef Supply
    2-Part Pharma Calcium & Alkalinity Bulk Total Package
    $169.99

    $169.99
    Add to Cart
  4. 2-Part Pharma Calcium & Alkalinity Bulk Total Package with Dosers
    Bulk Reef Supply
    2-Part Pharma Calcium & Alkalinity Bulk Total Package with Dosers
    $269.99

    $269.99
    Add to Cart
  5. Pharma Kalkwasser Bulk Package
    Bulk Reef Supply
    Pharma Kalkwasser Bulk Package
    $95.99

    $95.99
    Add to Cart
  6. Pharma Sodium Bicarbonate 1-Gallon Mix
    Bulk Reef Supply
    Pharma Sodium Bicarbonate 1-Gallon Mix
    $8.99

    $8.99
  7. 250 mL Phytonic
    Tropic Marin
    250 mL Phytonic
    $44.26

    $44.26
  8. Pharma Magnesium Mix for 2-Part Maintenance
    Bulk Reef Supply
    Pharma Magnesium Mix for 2-Part Maintenance
    $19.99

    $19.99
  9. Bulk Pharma Magnesium Chloride 7 Pounds
    Bulk Reef Supply
    Bulk Pharma Magnesium Chloride 7 Pounds
    $29.99

    $29.99
  10. Pharma Calcium Chloride 1-Gallon Mix (5 Pack)
    Bulk Reef Supply
    Pharma Calcium Chloride 1-Gallon Mix (5 Pack)
    $39.99

    $39.99
    Add to Cart
  11. Pharma Calcium Chloride 1-Gallon Mix (10 Pack)
    Bulk Reef Supply
    Pharma Calcium Chloride 1-Gallon Mix (10 Pack)
    $79.99

    $79.99
    Add to Cart
  12. Pharma Soda Ash 1-Gallon Mix (5 Pack)
    Bulk Reef Supply
    Pharma Soda Ash 1-Gallon Mix (5 Pack)
    $49.99

    $49.99
    Add to Cart
  13. Pharma Soda Ash 1-Gallon Mix (10 Pack)
    Bulk Reef Supply
    Pharma Soda Ash 1-Gallon Mix (10 Pack)
    $79.99

    $79.99
    Add to Cart
  14. ESV B-Ionic Magnesium
    ESV Aquarium Products Inc.
    ESV B-Ionic Magnesium

    Starting at: $19.99

  15. ESV Potassium Iodide (1% Solution)
    ESV Aquarium Products Inc.
    ESV Potassium Iodide (1% Solution)

    Starting at: $8.99

  16. MicroBacter Start XLM
    Brightwell Aquatics
    MicroBacter Start XLM

    Starting at: $14.46

  17. Microbacter Dry Rock Bacteria Starter Kit
    Brightwell Aquatics
    Microbacter Dry Rock Bacteria Starter Kit
    $33.29

    $33.29
  18. Lugol's Solution - Advanced Iodine
    Brightwell Aquatics
    Lugol's Solution - Advanced Iodine
    $16.38

    $16.38