thoughts on this for refugium substrate

I like bare bottom better you don't get a build of gunk in the bed and if you want you can do little clean on it without taking out all of the good stuff. Mine began to stink after a while with miracle mud
 
I'd go with BB too. I had sand in my first fuge, and it collected so much detrius....

For growing pods and macro all you need is LR, chaeto, and water :)
 
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