Ok so this may be getting confusing. I have read over and over and over that 450# per acre is reasonable. Now is that 450# per acre foot or per acre of surface area.

I got the impression it is per acre of surface area because this is the limiting factor in allowing air to enter the water.

If one has aeration one could then expect 450# per acre foot as a conformable number?

All in all it is just a guess until you have a fish kill.

Cheers Don.

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7/8th of an acre, Perch only pond, Ontario, Canada.