Most calcium reactors are not supplied with calcium carbonate media. Unfortunately, choosing good media is not easy as there is very little information published on the composition or impurities present in the internet.
After many hours of researching I learnt that a typical reef tank needs at least a pH of around 7.7 or less is needed inside the calcium reactor for aragonitic media to begin to dissolve and generally, most people get good results dissolving aragonitic media inside the reactor at pH 6.5 to 6.7.
Since my experience with CaribSea products is rewarding, I decided to use their ARM (Aragonite Reactor Media) as it not only contains Calcium & Carbonate but essential trace elements as well.
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