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PM sentThese are two New bottle that do not expire which I will not need as i am running a calcium reactor. This is high quality and dissolves easily.
$25.00 shipped for Both. Shipping estmate is $17.00 so i'm making nothing and therefore not taking less. This is a gift in my opinion as I know many can use this.
An agent for maintaining constant calcium levels and pH adjustment in reef aquariums. In sea water, the constant value of calcium is essential for the proper development of corals and coralline algae. The recommended level of calcium in reef aquaria is 380-460 mg/l (ppm).
Dosage: Dissolve 50 g of Calcium in 1000 ml RODI water. Gets no easier for calculation.
actual grain size
