Air pump question !!!!!!! help

[fishkeeper27]

i modified my plywood build its now gonna be 8'L 4'w 3'h now mu question is i never see air stones in these big builds is there a reason they dont use them? personally i like the looks of it and in my 700gal build i would like to use them anyone know a pump with that many air outlets that will allow for a bunch if 12'' air stones

 

[crowconor]

just have the output of the filter trickle into the pond then you dont need ant air pump

 

[frnchjeep]

On large systems, most of the gas exchange goes on in the sump. I prefer to not have air stones because I hate the look of air hoses in the tank.