I'm glad to see that balanced natural systems have worked well for you.
I get tired of changing water to remove nitrogen. And if I wanted a
sterile hobby... I guess I'd just play golf ;)
Thanks again,
Todd
Never trust a sport that considers water a hazzard! ;)
-----Original Message-----
From: R. W. Wolff
I use sand ( which is gravel in certain areas) as a substrate in all my
larger
ponds, and eventually smaller ones end up with some too. This is a no
no with
many ponders , but it works great for me. Usually the first year I think
it
adds to the bloom of green water. Generally after a year and heavy
plantings
and additions of small crustaceans, molluscs and other critters you
would find
in a typical habitat you are trying to replicate and it works great.
Eventually the sand becomes kind of a unit, bound by roots and other
things.
I use gravel in areas of current and near drop offs to make a bumper to
hold
the sand in place.
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