obstacles in water problem

if you look under the water line at the submerged parts of the boxes, you see some reflective patches. what’s causing this?

edit: aw shoot, wrong forum. can somebody move this over to the animation forums? or maybe this is the right forum, i don’t know

Looks like air pockets to me. What surface settings are you using? Try free (not sticky).

where do i set those options?

There is a Free button on the fluid simulation panel of the obstacle

Actually Its in the domain’s panel under Bn