Crushed Coral or Sand??? Your preference??

Sand. Crushed coral will allow detritus to filter down through it and accululate underneath it which then elevates nitrates. It's easier for sand dwelling critters like nassarius snails, ceriths, conchs, cucumbers to sift and clean the sand bed.
 
there seems to be different types of crushed coral. are some better than others?
is it always a nitrate problem, even if vacuumed?

i think i've seen sps tanks with cc?

"a reef in the sky?"
 
I've got crushed coral and I have SPS.
Although, in my next tank i'll definitely change back to sand. It's easier to maintain and in my opinion looks nicer too
 
I've got crushed coral and I have SPS.
Although, in my next tank i'll definitely change back to sand. It's easier to maintain and in my opinion looks nicer too

what depth?

why easier? doesn't sand need vacuuming too?

any nitrate problem?

when does sand end and cc begin? 2mm, 3mm, 4mm.
people seem to love tropic island reeflakes and that's very coarse stuff.
 
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