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Reef Mineral Salt – an agent to maintain constant levels of minerals in coral reef aquaria. Dissolve 25g of the product in 1000ml of deionized water. To maintain ion stability, use KH Buffer, Magnesium and Calcium products as well.
USE: Dissolve 6.14 tbsp of the product in 1 US gal. of deionized water.
HOW REEF MINERAL SALT WORKS?
Aquaforest Reef Mineral Salt is a Sodium Chloride (NaCl) free sea salt. It contains all the other basic components found in natural seawater, such as Magnesium, Calcium, Potassium, Bromine, Fluorine, Barium, Iodine, and trace elements.
NaCl free salt is one of the most important components of the Balling method, and it plays a significant role when Calcium Chloride and Sodium Bicarbonate supplementation is in place.
It is a common misconception among reefers that administering NaCl free salt is primarily supposed to replenish trace elements. The main task of Sodium Chloride free salt is to maintain ionic balance of aquarium water.
This practice is based on an important discovery made by Prof William Dittmar, a chemical analyst, and the “rule of constant proportions”. He analysed water samples from oceans and seas around the globe and documented that the composition of natural sea water remains constant, even though the salinity varies.
So what is the significance of adding NaCl free salt when administering Calcium Chloride and Sodium Bicarbonate? Many marine organisms (e.g. hard corals) require Calcium Carbonate (CaCO3) to grow their calcareous structures. This crucial substance is insoluble in natural seawater, so one way to work around this problem is administration of Ca++ and HCO3 in the form of water-soluble Calcium Chloride (CaCl2) and Sodium Bicarbonate (NaHCO3). This method has a drawback though – in the form of unwanted NaCl: CaCl2 + 2NaHCO3 = > CaCO3 + 2NaCl +H2O +CO2
A lot of people assume that additional presence of Sodium Chloride is harmless, as long as salinity is maintained at the desired level. Salinity however is not just a measure of table salt in H2O. Magnesium sulphate, Calcium sulphate, Potassium sulphate, Magnesium chloride, Calcium chloride and Potassium chloride are actually salts too, so when Sodium and Chloride levels rise, the natural balance of major elements is shifted. Incidentally the salinity might remain stable, but only due to excessive presence of Sodium Chloride. In a closed aquarium ecosystem the impact of NaCl build-up might be significant.
Many aquarists mistakenly assume that this issue can be easily corrected by regular water changes. Keep in mind however, that the only way to revert to the original water parameters would be with a 100% water change, while hardly anyone is replacing more than 10% weekly.
The use of NaCl free salt is not so common any more, and application of the Balling method is often limited to 2 or sometimes 3 of its main components. This approach will probably not cause any problems for several weeks or even months, but in the meantime the chemical reactions that take place in the marine aquarium will lead to a deficit of trace elements. Balling “Two Part” or “Light” is gaining in popularity, but the truth is that the old, but revolutionary original method was much more effective when it comes to maintaining stable water parameters. Regular use of NaCl free salt is highly recommended to help address ionic imbalance issues in the long run.