BRS 2 Part Calcium & Alkalinity Starter Package (Pre-portioned)

BRS 2 Part Calcium & Alkalinity Starter Package (Pre-portioned)
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  • BRS 2 Part Calcium & Alkalinity Starter Package (Pre-portioned)
  • Magnesium: The magic that holds your reef tank together
  • Why your reef tank absolutely needs calcium!
  • The important role of alkalinity in your reef tank

BRS 2 Part Calcium & Alkalinity Starter Package (Pre-portioned)

100% Recommend this to a friend (56 of 56)

SKU: 000341
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Quick Overview

Why does BRS recommend this?

The BRS 2 Part Calcium & Alkalinity Starter Package includes everything you need to begin maintaining calcium, alkalinity and magnesium with the popular 2 Part system. All of the chemicals have been pre-portioned into handy pouches so no measurement is required and mixing is easy.

Package includes:

  • (3) 2 Part Kits (Makes 3 Gallon each of Calcium Chloride and Alkalinity and 3- 20 oz. of 2 Part Magnesium Mix)

  • 2 Part Magnesium Mix (Makes 1 Gallon)

  • 3 Mr. Chili Mixing Jugs with Caps

  • 2 Dispensing pumps

  • 2 Measuring cups

  • 1 Funnel

  • Instructions

All supplements meet strict BRS quality standards.


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Product Questions

If I'm doing a FOWLR setup, is this additive needed/required for that type of tank?
Question by: Paul on Jul 25, 2014 12:19:00 AM
Hi Paul,
It should not be particularly necessary. You may have an interest in maintaining calcium and alkalinity levels because coralline algae will consume them. Depending on the rate of growth your typical water changes may be sufficient though.
Answer by: Bulk Reef Supply on Jul 25, 2014 12:19:00 AM
I don't understand why there is 1 Galloon of 2 part Magnesium mix and 3-20 oz of Magnesium.
Question by: David Smith on Mar 2, 2014 11:01:00 AM
Hi David,
They are just different sizes for different purposes. 20oz of magnesium solution is what is dosed when you finish a gallon of calcium and alkalinity. The 1g mix of magnesium is for adjusting your magnesium levels outside of the normal two part dosing schedule (like adjusting your salt mix to make sure it matches before doing a water change for example).
Answer by: Bulk Reef Supply on Mar 2, 2014 11:01:00 AM

Full Details

The BRS 2 Part Calcium & Alkalinity Starter Package is the easiest way to get started with the 2 Part Solution. The Calcium, Alkalinity, and Magnesium parts each come in pre-portioned pouches that can be quickly added to the included jugs and mixed with RO/DI water. No messing around with measuring cups. This starter package will help maintain Calcium, Alkalinity, and Magnesium parameters in the tank in easy once a day doses. Your corals will be healthier and grow faster. The 2 Part Solution can be automated using peristaltic dosing pumps.

Use the BRS Reef Calculator to calculate dosage amounts. For more information on how to use the 2 Part Solution click here.


Note: The starter package differs from the total package. The starter package comes with small convenient pre-portioned pouches. The total package is bulk packed containers of the same medias.



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  • ease of use By Ruben on 1/11/2016

    cannot go wrong with this kit if you are starting out or seasoned reefer
  • easy By David on 9/9/2015

    i don't like measuring, never seem to have the right size measuring device.
  • Good Purchase For Noob By Jeffrey on 8/23/2015

    I'm new to dosing, and mixing everything was a little confusing so I bought the pre-mix package to start off. It's really VERY simple so next time I'm just buying in bulk. It all works well and keeps my levels consistent. The jugs work well with the pumps. Once again, BRS succeeds in making reefing as easy and affordable as possible. Customer for life!
  • A must have for reef tanks By Acameron2 on 7/16/2015

    Bought this starter kit so I can attemp to keep my parameters more stable for sps corals in my biocube, right after getting the dosage dialed in I bought a few acropora frags and so far I have great polyp extension and encrustation after a month of usage. Btw this kit is dummy proof, I've never dosed before this and now I can't imagine not ever dosing again judging by my results so far.
  • Great for a beginner By Braulio on 7/10/2015

    Just as others have stated, this 2 part starter kit is great! First time I dose in any of my tanks and the growth is amazing. Instructions are straight forward and with tips from their video, this has been a awesome purchase.
  • Excellent product By Yeti812 on 4/19/2015

    Well written instructions. Everything you need to get started.
  • wow saved a lot By donthavta on 3/21/2015

    Very easy to mix ,also priced what the bottles of Kent would cost save a lot.
  • great experience By tcarter on 12/7/2014

    Great product. Mixed well all bottles dissolved 100%. Buying bulk saved me 60 %
  • Easy as 1 2 3 By Boyer on 11/15/2014

    Simple and easy to use. After dosing for a few days I could already see a substantial amount of growth in my sps
  • Convenient By David on 9/16/2014

    Simple to use, only $5 more and may continue to buy this instead of bulk. Has everything you need to setup simple dosing system.
  • SIMPLE AND EASY By Denise on 5/1/2014

    This starter pack makes dosing easy and simple. The instructions are clear and everything you need to get started is included. It's thee perfect way to improve your reef keeping without a lot of time and money. This is a must have item for reefers who are going from Fish Only to full reef set ups.
  • Simple. By Jason on 4/23/2014

    I'd never dealt with two part before. This makes it simple. Find the video, and you're set. Now I just need to remember to add them - guess I'll be buying dosing pumps soon.

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