Need help deciding on a skimmer

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Originally Posted by Johnny Reefer

What's the vent line for?

aquaria.ca wouldn't open up. I don't think there is such a site.

The water depth in my sump is 12.5" , although that could be lowered by way of changing the position of the float on the top off float valve, so.....what is this mod you speak of? A water level of higher than 10" requires some sort of modification? Lower than 10"?

Please explain and thanx much,

Guessing the vent line is the venturi. As for water depth, lot's of posts around that 10" is the sweet spot. Don't have the baffles in my sump yet but thinking keeping them high and the skimmer on a eggcrate platform for 10'' water level.