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VAS BA01050 Brightwell Aquatics Reef Code Part B 2 liter P10028777VAS-BA01050 https://cdnimages.opentip.com/full/VAS/VAS-BA01050.jpg BA01050 Brightwell Aquatics Reef Code Part B 2 liter The carbonate-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (・buffering capacity・)) in the same ratio as that found in natural seawaterIonically-balanced with respect to natural seawater concentrations of calcium and carbonates when used in equal amounts with Reef Cōde ABenefits reef-building organisms such as corals, clams, calcareous algae, etc.Simplifies calcium and alkalinity maintenanceStronger than most competing productsContains no phosphate, silicate, or organic materialFormulated by a marine scientist This method of calcium and carbonate supplementation is advantageous to hobbyists interested in a simple and effective solution to providing the very elements and molecules required for growth of reef-building organisms such as corals, clams, and their allies. Corals and other reef-building organisms require adequate and stable available calcium and alkalinity if they are to thrive, regardless of how perfect the remainder of their environment is. Under most conditions, the mineral that is secreted as skeletal material is known as Aragonite, composed mostly of carbonate and calcium by weight. Reef-building organisms must extract these substances from the surrounding water in order to secrete new skeletal material for growth. By maintaining the same ratio of calcium ions and carbonates in an aquarium as that found in natural seawater, these organisms have the necessary building blocks available in the proper proportions, even if the hobbyist chooses to maintain higher concentrations of these substances.For maximum effectiveness of the Reef Code method, the magnesium concentration in reef aquaria should be adjusted to, and maintained between, 1,290 - 1,320 ppm before using these products (alone or together) or any other calcium and alkalinity products. Doing so helps prevent unwanted precipitation between calcium and carbonate ions. Additional information on this subject is available on our website and on the label for Brightwell Aquatics Magnesion.The rate at which calcium and carbonates are extracted from the water is determined by the stocking density of reef-building livestock, type of lighting, and other conditions; therefore, each aquarium will have different requirements for the rate of supplementation. Once the rate of alkalinity depletion in the aquarium has been determined, the proper dosing rate of this product can be easily calculated. 10028777 810086010509 4.8000lbs 0.00 0.00 0.00
16.4300 2026-04-26 In Stock
customer review - by , April 4, 2023
5/ 5stars
customer review - by , April 4, 2023
5/ 5stars
customer review - by , March 3, 2023
5/ 5stars
My alkalinity is nice and stable since using this.
customer review - by , January 1, 2023
5/ 5stars
Brightwell products are great for maintaining your reef system. Code Reef A Calcium, Reef Code B Alkalinity and Magnesion. All three needed for a healthy coral reef.
customer review - by , September 9, 2022
5/ 5stars
Quick delivery, great product for saltwater tank
customer review - by , March 3, 2022
5/ 5stars
Went and filled my dosing container up and realized their was a solid block calcified in the bottom. So not sure if I'm getting the correct dose so I stopped using it and ordered all for reef wasted the money buying it.
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BA01050 Brightwell Aquatics Reef Code Part B, 2 liter

stars Rating 5 | 6 reviews
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UPC: 810086010509
SKU: VAS-BA01050
Price: $16.43
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Product Description

  • The carbonate-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (・buffering capacity・)) in the same ratio as that found in natural seawater
  • Ionically-balanced with respect to natural seawater concentrations of calcium and carbonates when used in equal amounts with Reef Cōde A
  • Benefits reef-building organisms such as corals, clams, calcareous algae, etc.
  • Simplifies calcium and alkalinity maintenance
  • Stronger than most competing products
  • Contains no phosphate, silicate, or organic material
  • Formulated by a marine scientist
  • This method of calcium and carbonate supplementation is advantageous to hobbyists interested in a simple and effective solution to providing the very elements and molecules required for growth of reef-building organisms such as corals, clams, and their allies. Corals and other reef-building organisms require adequate and stable available calcium and alkalinity if they are to thrive, regardless of how perfect the remainder of their environment is. Under most conditions, the mineral that is secreted as skeletal material is known as Aragonite, composed mostly of carbonate and calcium by weight. Reef-building organisms must extract these substances from the surrounding water in order to secrete new skeletal material for growth. By maintaining the same ratio of calcium ions and carbonates in an aquarium as that found in natural seawater, these organisms have the necessary building blocks available in the proper proportions, even if the hobbyist chooses to maintain higher concentrations of these substances.


  • For maximum effectiveness of the Reef Code method, the magnesium concentration in reef aquaria should be adjusted to, and maintained between, 1,290 - 1,320 ppm before using these products (alone or together) or any other calcium and alkalinity products. Doing so helps prevent unwanted precipitation between calcium and carbonate ions. Additional information on this subject is available on our website and on the label for Brightwell Aquatics Magnesion.
  • The rate at which calcium and carbonates are extracted from the water is determined by the stocking density of reef-building livestock, type of lighting, and other conditions; therefore, each aquarium will have different requirements for the rate of supplementation. Once the rate of alkalinity depletion in the aquarium has been determined, the proper dosing rate of this product can be easily calculated.

NOTE: Battery Products do not ship internationally.

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

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This product can only be shipped to United States.

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This product is not eligible for coupon code discount, for we've been offering the best price in the market.
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Customer Reviews
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By Allen
Date: April 25, 2023
Rating: 5 stars [5 of 5 Stars!]
By Allen
Date: April 25, 2023
Rating: 5 stars [5 of 5 Stars!]
By Sam Ghafari-saravi
Date: March 07, 2023
My alkalinity is nice and stable since using this.
Rating: 5 stars [5 of 5 Stars!]
By Rocco
Date: January 10, 2023
Brightwell products are great for maintaining your reef system. Code Reef A Calcium, Reef Code B Alkalinity and Magnesion. All three needed for a healthy coral reef.
Rating: 5 stars [5 of 5 Stars!]
By Franki Cerio
Date: September 17, 2022
Quick delivery, great product for saltwater tank
Rating: 5 stars [5 of 5 Stars!]
By D.C.
Date: March 02, 2022
Went and filled my dosing container up and realized their was a solid block calcified in the bottom. So not sure if I'm getting the correct dose so I stopped using it and ordered all for reef wasted the money buying it.
Rating: 5 stars [5 of 5 Stars!]
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