make sure the riser tube that goes up and down is all the way down on the output pipe and plug it in. raise the riser tube until the water level is flush with the bottom of the collection cup and thats about it. it with snap, crackle and pop, be inconsistant, make foam for a hour and suddenly stop ect ect but just leave it be (unless of course its overflowing the collection cup in which case lower the riser). expect to wait at least 4 or 5 days before you get any kind of consistancy but it will probably be a few weeks before it really gets going like it should. hell I've heard of cases where octopus NW line in particular have taken the better part of a month to get going properly.