skimmer question

[reefrandy]

i am setting a 12 gallon aquapod as a frag tank eggcrate and no sand do i need a skimmer ?

 

[Garage1217]

Do you have one for your 90? If so, I would simply rotate water between then since the frag tank is so small. Or just go skimmerless & add one very small fish & a small amount of rock.