One large skimmer or 2 medium skimmers?

[Hustler]

One thing i noticed..... between the pet store rated skimmers and the industrial skimmers is out to lunch the ratings are.... way over par on them lil guys....

[MarkoD]

I've been running an undersized skimmer for the past 8 months (can reef member that sold it to me told me it was rated for More than it actually is) and I've managed to keep my nitrates at 0 without water changes

[Wayne]

I like the idea of having somewhat of a safety net. When I double or triple my tank I plan on having two that can handle 2/3 of the load each so I know I am covered. Cleaning cups isn't fun, but it only takes 5 minutes.