just put my order in on a Tunze DOC 9010 that I'll be using in tank. 327$ more than I wanted to spend, but the only skimmer I could find HO wise that didn't have a frenzy of people destroying it feedback wise.
Remora HOB..i got it used for $50 but u can get them new for $150..pulls out great skimate..at first it was noisy and had alot of micro bubbles but after breaking it in it's great..I also did the paper towel MOD to quiet it down
To me you would just be wasting your money on that skimmer. I would try to find a good used HOB skimmer CSS, Aqua C Remora or Octopus or just save up some more money and get a new one.
On a 120g? I'd save my money up for something else. Your tank will do fine without one while you're saving up and the extra time will let you look for something used as well to help out the budget.
Grins The Fish are doing better
thegoby has gotten his color back i have not been able to test the water so DONT ASK!! haha
and yes i know this isnt a cheap hobby. I just want to much all at the same time.