"JGW" wrote in message
...
We're getting ready to build our new pond. The contractor wants to
line the walls and bottom with rocks, which he says will serve as a
great huge biofilter. I have read that it's impossible to keep the
pond clean with rocks on the bottom, and that they can trap hydrogen
sulfide gas.
What are your thoughts?
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They'll look good but I think you're right. They'll collect debris and soon
be a mess. How does he suggest you clean them? I had gravel on the bottom
and shelves of my first pond. Cleaning them was impossible.
--
McKoi.... the frugal ponder...
My Pond Page
http://tinyurl.com/cuq5b
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