Red Sea Skeletal Elements Foundation ABC+ is a unique blend of calcium, magnesium, strontium & carbonate, with the addition of potassium, bromine and iodine as required by corals.
The balanced proportion of all these elements ensures an accurate replenishment based on the metabolic demands of the corals.
It will simplify the dosing of trace elements in your tank. It is recommended for aquariums of up to about 300 liters / 75gallons.