Can You Add A Deep Sand Bed To An Existing Setup?

[dianeteuton]

I have a 27 cube tank can I add more sand to it? Will it hurt the fish or corals?

 

[aday2remmbr]

no it will not hurt, but to make it not cloud the water take a piece of pvc and pour the sand so it goes directly to the bottom of the tank

 

[dianeteuton]

I am going to used Ocean Direct Caribbean Live Sand .Do I put the Bio Magnet Bacteria in the tank ?