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calculate pond volume


1)Calculate actual pond volume

Pond shape (metres) x (metres) x (metres) x   = Volume in litres

Circular Ponds

 Diameter x Diameter x Average
Depth		 x 785 = Volume in litres

Rectangular Ponds

 Length x Width x Average
Depth		 x 1000 = Volume in litres

Odd shaped Ponds

 Average
Length		 x Average
Width		 x Average
Depth		 x 800 = Volume in litres

Triangular Ponds

 Length x Width x Average
Depth
(divided by 2)		 x 1000 = Volume in litres

Example

A rectangular pond is
4 metres long by 3 metres wide and 70cm average depth

 4 x 3 x 0.7 x 1000 = 8,400 litres

Because basic pond circulation is based on a near natural garden ponds with plant zones, without fish you should take the actual volume and divide by 2, to give a pond circulation of once every two hours