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<br />the front of the brooms is optional. The protection arm is to keep fish <br />from being injured on the sharp broom corners. The cleaner frame should <br />be 3 or 4 inches shorter than the pond walls to assure ease of movement <br />down the pond. <br />The rubber wings placed at a 100 angle makes up the difference in frame <br />width to the walls, and stops all water flow around the sides of the cleaner. <br />Metal shoes mounted on the bottom of the cleaner face frame will allow <br />water flow under the cleaner to move debris in front of the cleaner and allow <br />fish to have some fresh water during cleaning. Shoes should be bolted for <br />ease of replacement. Different thickness of shoes can be used to fit your <br />water flow needs. <br />The pipe rollers mounted on the ends of the cleaner face frame and the <br />shoes mounted on the ends of the protector arms assure the cleaner of <br />straight operation in the pond. The rollers and shoes keep the cleaner from <br />lodging in slots in the pond walls. <br />The following pages have illustrations to help with construction of your <br />cleaner. <br /> <br />CONCLUSIONS <br /> <br />These pond cleaners are very efficient and easy to construct. The clean- <br />ers can easily be adapted to any raceway or trough with relatively smooth <br />bottoms and sides. Experience has shown that this method of cleaning is <br />easier on the fish when used properly. <br /> <br />92 <br />