The flat, blue vinyl economy drain hose installed and didn't leak. It also presented no obstruction problems when the slide was opened and closed. HOWEVER, because it is flat it fails to drain the sink as quickly as most people would desire. I thought about inserting some sort of coil, but although that would be easy, I don't know of a source. I suppose the coil could be metal, but I would prefer plastic. Also, no matter what kind of coil was used, it would inevitably function not only to increase the flow of dish water, but probably catch small debris and plug up more easily than a smooth surfaced drain pipe.
So our problem is not solved yet. We're looking for a more flexible drain pipe of the same or slightly longer length.
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