mag 12 or 18

[BioMan]

I need a bigger return pump for my 120 gallon,,i've been splitting a 9.5 but with 4 lock lines it hardly blows sand off a frag i pick up from the sand bed.

 

[BioMan]

I tried using 2 pumps but that was taking up too much room in my sump.

 

[Zig]

i have an 18 pm if int