It is always good to have options and in reef keeping there are usually many available to run and maintain a reef tank.  For instance, you do have choices when it comes to keeping up with the calcium and alkalinity demands of a reef aquarium, especially one that is SPS dominant. SPS require some form of calcium and alkalinity supplementation since they have calcium skeletons that demand a lot of these elements to grow and do well in a tank.

Calcium Reactor vs. Two-Part

When I started to keep reef tanks, I kept mostly soft corals and began to experiment with SPS only after achieving success with those corals. I used a two-part calcium and alkalinity supplement from ESV and it worked great. As I MORE