Hello Brian and Staci, welcome to Pond Boss.

Personally I don't see any real advantage over a weed wacker to trim around the edge of a pond.

Now if they made a hovercraft mower, we I'd be all over that bad boy...

JHAP
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"My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives."
...Hedley Lamarr (that's Hedley not Hedy)