Magnesium Chloride Hexahydrate

SPECIFICATION

CAS No. - 7791-18-6
Magnesium chloride hexahydrate - 99% minimum
Magnesium chloride - 47% minimum
Calcium chloride - 2.2% maximum
Sodium chloride - 0.5% maximum
Potassium chloride - 0.2% maximum

* High quality magnesium chloride from the Dead Sea
* Free from phosphate, bromides and ammonia
* Dissolves quickly to provide clear solution

USES OF MAGNESIUM CHLORIDE:

• Additive for marine aquariums
• Food additive
• Coagulant in the preparation of tofa from soya milk
• Used as a deicer and prevents the formation of ice on surfaces
• Used in the manufacture of textiles, fireproofing agents, cements and refrigeration brine.
• Used for dust control.
  

MAGNESIUM CHLORIDE IN MARINE AQUARIUMS:

Magnesium chloride hexahydrate is for adding magnesium to sea water. Severely low values of magnesium (900 mg/L or below) can cause low pH values and an inability to maintain proper alkalinity and calcium values. If magnesium becomes too low, coral growth will stop and followed by a decline in coral health. Carbonates and calcium are essential for all growth of corals, coralline algae, clams and invertebrates. Maintaining the correct magnesium values is very important and is indirectly responsible for coral and coralline algae growth by making it possible to maintain correct calcium, alkalinity and pH values. The magnesium content must often be increased, as shortfalls in the content can arise for various reasons. The normal magnesium content is around 1.30 - 1.40 mg/litre (1300-1400 ppm). To increase the magnesium content you need  magnesium chloride hexahydrate or a mixture of magnesium chloride and  magnesium sulphate (ratio of 7:1).

How to dose aquarium with magnesium chloride

50g will raise Magnesium levels by approximately 60ppm in 100 litres of salt water. It is not recommended to increase Magnesium levels by more than 60ppm per day. Simply mix the required amount into a few litres of Reverse Osmosis Water, once dissolved, slowly add to your tank in an area of high flow, preferably over a period of an hour. Alternatively add to your evaporation top up water and top up as normal