Phyllis and Jim wrote:

Hal is on target. Your pond is small enough that a hot summer can
heat it up a great deal. That would not be great for the fish. Loads
of us have ended up increasing pond size.

Keep us posted!

Jim


Ditto from me. The ideal solution if you can't increase the foot print, is
to simply make it deeper.


San Diego Joe
4,000 - 5,000 Gallons.
Koi, Goldfish, and RES named Colombo.