Kasco VFX Series Owner's Manual page 8

VFX Installation Instructions
Use the ropes to position the aerator in the desired location
in the pond/lake. Anchor the ropes or secure them to the
shoreline so the ropes are free of slack, but not tight. To
prevent twisting of the unit due to torque, you should place
the anchor at least 3 feet from the float for each foot of depth
(Ex. A 6 foot deep pond would require an anchor 18 feet
horizontally from the float.)
Alternate Installation Instructions:
In ponds where the water level fluctuates significantly, you
may need to suspend a small weight (12" of 1" galvanize
pipe works well) at the mid-point of the rope to take up
any slack as the water level drops. The weight should be
light enough so the aerator can rise as the water level
rises. This can also help hide ropes by sinking them
further below the surface.
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