Method for removing plankton in Pond, which comprises Pump Cleaning water from the depth, which has higher densityAnd make water flow radially in the upper part of the Pond, thus driving the plankton into the lower layers.

摘要

Metodod to extract the plankton Pump which comprises a Fish Pond Cleaning water from the depthsWhich rises due to its low density and Momentum to the plankton into the lower layers.