- Next, start the pump. Typically, start with the pump stroke length at 20 % and the
speed at 80 %. Adjust one or both until you have an even flow of the water beads,
once the pump is primed. (Note: It may be necessary to loosen the
discharge cap assembly to help the pump prime.) It would be a good ideas to
set this demonstration up ahead of time and practice. Then your show will be
perfect!
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