Why is one sweeper nozzle empty , one sweeper nozzle half empty , the circulator mostly full and the YP standing on their tails while no one can get a handle (rope) on (near) them. You realize if you open that system up the YP will soon empty themselves into the pond and be mere shells of their former selves.
You realize if you open that system up the YP will soon empty themselves into the pond and be mere shells of their former selves. 
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