Welcome bk, looks like your off to a great start for sure. I dont know the % of cover toy would want. It might depend on the fish going into it also. It does look it it's pretty big so it's going to take alot.

The people who say I can't do it can just sit the @^#% down and watch me. Friends call me Rusto I also subscribe to pond boss mag. http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=504716#Post504716