Hello and thanks for looking. I recently received a Grubsteak sluice and was wondering what the angle should be. The creek we are in is fairly deep and flat, mid shin to kneecap. I've been running it with the flared portion flat allowing the riffled portion to drop down into the water column. Is this correct? Its working fine, I'm getting 4 to 8 small flecks per 1/2 bucket. About 2hr. "Work". Just wanted to double check with you guys to see if the setup sounded right.