Patent ID: 8813767

Claim:
An apparatus, comprising: a container having a top that encloses an internal volume, said top being removable to allow access to said internal volume; a first spindle and a second spindle fixed to said container and within said internal volume; a conduit connectable to a source of fluid, said conduit extending into said internal volume between said first and second spindles, said conduit defining an internal lumen, said conduit having a first set of openings that communicate with said lumen and are directed generally toward but off-center with respect to said first spindle, and a second set of openings that communicate with said lumen and are directed generally toward but off-center with respect to said second spindle wherein said conduit has an inner surface that surrounds said lumen and an outside surface, and wherein one or more of said first openings are longitudinally-oriented slots with linearly sloping sides, so that the length of a respective said slot at said outside surface is greater than its length at said inside surface.