sand in refuge?

AForys

Member
Sand or no sand in fuge?
40g and 20l sump/fuge, I mainly want the fuge for pods but now I kinda got a eye for a display fuge. I keep reading it will be a diatris trap. Any info appreciated.

Plans will be having a few piles of rumble/dead coral skeleton, a soft ball size of the most pourus rock I can find, 2in sand bed, cheato and ulva. Can I add a few nas vibex snails and a few hermits(will hermits pick at macro)?
 
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