calcium reactor media

Dear all, Has anyone tried using ReBorn media in the Dastaco, or Deltec reactors? I am getting frustrated with my current reactor by Aquarium Engineering (not being able to get it to function reliably) and thinking about a switch to either Deltec or Dastaco. Both of these are supposed to be...

With reborn coarse argonite from two little fishes exhausted in most places, What media are you guys using , results and where are you getting it from.

I was surfing around the other day and read a click bate article about all the multiple uses for eggshells and why not to throw them away. There where multiple mentions about how they are a great source of calcium carbonate for this and for that. Then it clicked! if its such a great source of...