Quote Originally Posted by tony View Post
looking at the nog one pulls out should be the only pro you need, along with the lower nitrates

only cons i can think of would be specific to each skimmer. ie maintenance, size, noise, etc . . .
actually that's the thing. it pulls out some of the stuff you want to keep, may not pull out as much as you think of the stuff you don't want, etc.
But some good stuff being removed might be worth it as long as it also takes out a decent amount of the bad stuff?
Some people claim that the ever so popular needle-wheel skimmers are more damaging than some other technologies to the good stuff (plankton)

going skimmer less seems to require a lot of maintenance too. I think Ace said he does water changes twice a week.
I feel proud of myself for being able to stay on a once a week schedule! Twice a week wouldn't last long for me.

So I think there really is a lot to consider which way to go!