Zep, I looked at their site and I love the background in the pictures when you scroll through the images of the 612 Model.

They say they will float in 10" water, but don't mention the draft. What's your experience? I see you have the 715.

www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).