Which sand to use

[mattsummers]

I am going to remove my crushed coral substrate. and i would like opinions on what type and grain size of sand i should use , tank is a 150 tall (30") i also have a few sand dweller. a engineer goby, a dusky jaw fish, a sand sifting star and some snails.

Thanks Matt

 

[scubabum1983]

id stay away from sugar sand if you are going to have a bunch of diggers, stay with some mid grad arag sand