"Steve Shapson" wrote:

Can I assume that since the water is traveling over the river pebbles which
may increase surface area, can I be losing some much water and have to
replace it often?

Anyone out there with the same pond/stream specs also experience a loss of
water?

There is probably a leak or splashing in the stream. That is usually
where the water is lost. There could be a leak in the pond, but the
stream is usually the culprit.

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Cheers, Steve Henning in Reading, PA USA http://home.earthlink.net/~rhodyman