Originally Posted By: scott69
i bet that 3 inch pump will lower it 2 inches or better a day. rig up a 5 gallon bucket as an auxiliary gas tank.


+1 The 3 inch pump I rented when I dug my pond pumped around 18000 gal/hr. If there is no significant water flowing in, a good 3 inch pump should drain a 3 million gallon pond in around a week or so if kept full of gas.


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