I see a lot of you guys on here use this. Are you using the Mini Flake or Reef Flake? Which do you recommend? Also, does it stay real clean, or is it prone to coraline and other algaes. Is it a better substrate for carbon dosers, as far as keeping it clean and white. I see photos of it in some of you guys posts, and it is really clean. I'm not a carbon doser. Thanks for the help
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