I have dual chamber Mrc reactor, I have a design to make it more efficent, but want to get new media for it. i have always ran ARM media but I am now looking at the Koralith or Korallin....Gen-X media can't be found or Schuran is all gone so these are my 2 other options. Korallin or koralith?
Koralith or Korallin media?
- Thread starter KH971
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