Crush coral, sand or bare bottom

[cab]

Which do you recommend?
Crush coral
Sand
Bare bottom

How many puonds for a 80gal tank?

[Noob]

crushed coral.. l oo k s noice

[cab]

crushed coral.. l oo k s noice
I know but my crush coral is covered with red slime algae. I think it holds too much junk

[Nick_Kun]

I used grade 1 aragonite in my tank. Big enough so I won't get sand storms all over, I keep an SPS tank btw.