Tropic Marin

Original Balling Component - Part C

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Part C - 1 kg Sodium Chloride Free Reef Salt

One of the three-part original balling method, Tropic Marin components add calcium, alkalinity, and sodium chloride free sea salt to maintain the crucial balance of elements in your aquarium's water. The balanced mixture allow for fast growth of coral skeletons while maintaining the major and minor trace elements to avoid the decrease in required elements like traditional two-part dosing regimens. 

  • Maintains ion equilibrium
  • Powdered Salt Mixture
  • No unnatural byproducts
  • Mixes fast & clear within minutes
  • Made with pharmaceutical components
  • Add by hand or with automated dosing pumps
  • Does not contain phosphates or other pollutants


Tropic Marin Three-Part Balling System

  • Original Balling Component Part A - Calcium
  • Original Balling Component Part B - Alkalinity
  • Original Balling Component Part C - Trace Elements


Tropic Marin Balling Method


Mixing Instructions:

Dissolve the appropriate amount of the salt separately, as indicated below, in individual containers containing RODI water. Once mixed and clear the solutions are then ready to use. The amount to dose is as simple as dosing equal quantities of the separate solutions daily or varying quantities of each separate solution to achieve the recommended levels in the aquarium. These separate solutions are very stable and can be stored indefinitely.


Salt needed for 5 Liters of solution:
A - Calcium chloride dihydrate (part A): 380 g / 0.84 lb / 16 scoops
B - Sodium carbonate/sodium bicarbonate (part B): 378 g / 0.83 lb / 21 scoops
C - Sodium chloride free sea salt (part C): 120 g / 0.26 lb / 5 scoops


Salt needed for 1 Gallon of solution:
A - Calcium chloride dihydrate (part A): 288 g / 12 scoops
B - Sodium carbonate/sodium bicarbonate (part B): 286 g / 16 scoops
C - Sodium chloride free sea salt (part C): 91 g / 4 scoops


Dosing Instructions
30 ml / 1 fl.oz of each solution raise the calcium concentration of 10 US-gal./35 l by 15 mg/l (ppm) calcium and 2.2 °dH. The maximum recommended dose is 60 ml / 2 fl.oz. of each solution per 10 US-gal./35 l per day.


Concentration of solution:
A - Calcium chloride dihydrate (part A): 20.000 mg/l (ppm) Ca
B - Sodium carbonate/sodium bicarbonate (part B): 2800° dKH/l
C - Sodium chloride free sea salt (part C): 3350 mg/l Mg; 980 mg/l K


Recommended concentration in the aquarium:
A - Calcium chloride dihydrate (part A): 400 – 450 mg/l (ppm) Ca
B - Sodium carbonate/sodium bicarbonate (part B): 6 – 9° dKH
C - Sodium chloride free sea salt (part C): 1250 – 1400 mg/l Mg; 375 – 400 mg/l K


What's Included?

1 kg (2.2lbs) Tropic Marin Original Balling Component Part C

More Information
UPC 619106265260
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Product Questions

Hi, I’m dosing all for reef in a 65 gallon and I just got the Original Balling C. My question is; How should I start dosing this if My consumptions are 52 ml per day with a 430 C, 1300 mg?
Question by: Eliezer on Sep 30, 2022, 5:23 PM
Hey there,

The All For Reef will already have a balanced mixture of trace elements inside of it so dosing Balling C would not be needed. That portion is intended to keep the ionic balance of trace elements as salinity rises due to dosing 2 part additives. With All for Reef since that is Calcium Formate you don't have that same effect as traditional two part there fore no need to dose Balling C. Thanks!
Answer by: Codey on Oct 4, 2022, 3:48 PM
Is there any benefit in dosing this dailyto a tank in response to daily phosphate and nitrate dosing (increases sodium)?
Question by: Daniel Burgess on Feb 15, 2022, 2:02 PM
Thanks for the question! Nitrate and phosphate dosing is typically minimal when compared to the dosing amounts of 2 part additives that the salt rise you have likely won't register unless you are adding hundreds of mLs of nitrate and phosphate on the average sized tank so it'd be hard to dose just enough Part C to balance it and will likely be corrected by water changes.
Answer by: Kyle Thomas (BRS Staff) on Feb 16, 2022, 12:45 PM
I am using brs 2 part with a and k will this lower my salinity if I am not using part c?
Question by: William Lantagne on Nov 20, 2021, 8:50 AM
Hello William, it is best to follow the respective instructions on the different two part systems. For the BRS two part, you can complement it using Pharma Magnesium Mix for 2-Part Maintenance - Bulk Reef Supply | SKU 210809 - Happy Reef Keeping.
Answer by: Christian (BRS Staff) on Nov 23, 2021, 12:52 PM
In a BRS video, it shows part C being added directly to the BRS 2 part mix. Is this the recommended approach, or should we dose separately in a third reservoir?
Question by: Jonathon Entringer on Jun 6, 2019, 11:01 AM
Hey there,
Great question! We would recommend using a separate dosing container and mixing 7 1/2 scoops per 1-gallon. Dose equal parts per your Alkalinity consumption. If you have any further questions please let us know. Take care!
Answer by: Mark Schlough on Jun 7, 2019, 10:08 AM
Will this product maintain magnesium levels?
Question by: Mike on Mar 22, 2019, 9:12 PM
Hi there! While this product does contain a small amount of magnesium, it is very likely that you will still have to dose magnesium in the tank. For most tanks, the amount of mag in this product is not enough to maintain levels. Hope this helps! :)
Answer by: Joe Hathaway on Apr 2, 2019, 2:29 PM
If using BRS 2-part, what are mixing and dosing guidelines for TROPIC MARIN Part C? I am dosing 6.5 ml Soda Ash and Calcium 24 doses/day (Soda Ash on the hour...Calcium on the 1/2 hour)
Question by: Willis Bass on Jan 8, 2019, 9:03 AM
Thank you for reaching out to Bulk Reef Supply! This is a great question. When we asked our local Tropic Marin representative how to know the amount of trace elements to dose it was recommended to match Part C to the amount of calcium you are currently dosing. However, this was based off of someone using the Balling method and dosing Tropic Marin A, B, & C. The products are very comparable but results may differ slightly. I hope this was helpful. Please reach back out if you have any further questions!

Answer by: Ashley on Jan 8, 2019, 11:14 AM