All good advice so far. I used telephone poles on my dock and there has been no problems from it. Fish are good , swimming is good. It's too bad it won't kill of some herons and green sunfish!!!
I know how it can be tough convincing another elderly family member you are doing the right thing and leaving the poles won't make them happy. If they are watching you like a hawk ,go buy a can of spar varnish for 10-20 bucks and coat them. Heck, take a jar of water out there and brush them up thoroughly and tell them it is all good
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When you get a film on the water or troubles with fish, come back with photos and the good folks here will tell you what's really going on with that!
