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...

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...