For a turtle pond, you want to at least double the capacity. So if you had a 40 gallon pond, you'd want a pump that will pump at least 80 gph.
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0.1.0 ornate box turtle
2.2.0 eastern box turtles
1.0.0 Yellow belly slider
0.1.0 Red belly cooter
0.1.0 Australian shepard
1.9.0 chickens
1.0.0 Dutch(rabbit)
3.2.0 adult children
1.0.0 husband