Hello Bullhead and welcome to Pond Boss. 15 acre pond, wow that's a big pond! We're glad you found us.

Bucket Biologist = \:D \:D \:D

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)