Well it has been running overnight with the output tube in the lowest position and it has just barely started to get some gunk in the collection cup. It is basically just water, but whatever
I must say I am very impressed with the quality of this product, by far the best made piece of equipment I have purchased for the tank.
I will give it two weeks to get broken in and post a pic of the collection cup!
Hopefully soon I will be able to show you guys some corals as well
Thanks all!
Cheers