Bill,

If you are worried about "aesthetics" and airstone
pumping air into your water from the bottom of your
pond would probably be a better idea, especially as the
summer is coming on and higher pond temps, especially
in Austin, Texas. The airstone in the depths of your
pond would allow a lot more "air" to come in contact
with the water than just moving it up and and across
the surface using the pump.

Tom L.L.
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Newbie Bill wrote:
I have a small 200 gph pump (very low power usage) submerged in my pond for
additional aeration - just as added 'insurance'. The output is below the
water so the water is just 'bubbling' like a natural spring might. I do not
want it splashing for several reasons. I have been told it is the breaking
of the surface which helps to oxidize the water.
Questions: 1) Is this actually doing me some good. 2)Aesthetics aside would
an airstone attached be significantly better.
Thanxx
Bill Brister - Austin, Texas