Fountains can be fun for the ponder. The fish will see it as a form of
waterfall and become used to it. They may even play in the oxygenated
water.

How do you know that your pond needs more oxygen?

Circulation and aeration are always nice. It sounds,however, as though you
may have plenty of surface area per fish...altho' it we don't know how large
large is. Lots of formulae circulate for fish-to-gallon ratios. How many
gallons and how much surface area do you have?

Jim
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"Nick" wrote in message
...
I have a largish green pond. I know it needs more oxygen. The pond is
quite
large and only has 5 small gold fish in it which seem quite happy and
active. Would they benefit from a fountain or would the noise disturb them
?

Nick