Product: GroTech Magnesium Pro 3500gr
Magnesium granular calcium reactor to increase and stabilize the content of magnesium. In saltwater aquariums require a large amount of calcium and magnesium to achieve an optimum level of growth of corals and calcareous red algae.
The materials normally used in calcium reactors provide a greater amount of calcium than magnesium.
Mixing up to 10% of Magnesium per the material used in the reactor, there will be a continuous supply of magnesium useful to stabilizing the magnesium content in the aquarium.