hi all
i went to lfs and saw they have some kinda sands that said special refugium sand on them !
i just wonder is it really some kinda special sand should use in refugium or the same sand we use in main tank will do the job ?
and if it needs special sand, why it should be different ?
i went to lfs and saw they have some kinda sands that said special refugium sand on them !
i just wonder is it really some kinda special sand should use in refugium or the same sand we use in main tank will do the job ?
and if it needs special sand, why it should be different ?