Novel fish pond filter

The utility model discloses a novel fish pond filter, including the filter vat, the filter vat top is equipped with the water course diverter valve, is equipped with water inlet, delivery port and drain on the water course diverter valve, the filter vat bottom is equipped with the blowoff valve, be equipped with the filter layer in the filter vat, water course diverter valve bottom is connected with double -deck water course, and double -deck water course includes inner circle water course and outer lane water course, and inner circle water course lower extreme opening is connected and is fed through the bactericidal lamp, and the bactericidal lamp is fixed at the filter vat lateral wall, and the bactericidal lamp includes the dustcoat and disinfect the wick, the joint of connecting on one side of the wick that disinfects, the business turn over water course is connected to the dustcoat bottom, and business turn over water course bottom is equipped with inlet outlet, the water course separator that has a plur