"Phyllis and Jim" wrote
Here in MS, we have a top treatment that will stand in water for about
20 years. Many use it for docks. We did.


I'm not sure that I would use it in contact with the pond itself. The copper
and boric acid compounds with which the wood is treated leaches out at high
levels at first and tapering off over time. Probably not the best thing for
a pond.

BTW: Such wood is "termite resistant", but not termite proof. If you're in
Mississippi, you probably know that. So any "guarantees" about such wood
lasting for decades is meaningless since the termites will destroy it long
before that. And here on the Gulf coast, termites are always a problem.


Michael
New Orleans, Louisiana USA
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