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The cup in this step is part of the bubbler. The bubbler requires an entrance and an exit. For this reason a hole in the cup is needed.



Just drill a 1/4” hole in the center of the cup.

Two drilled cups is required.

DRILLED CUP Next. Back.



Part name

Quanti ty

Where to get

Notes

PVC 3/4” NPT Cup

2



Drill

1

Tool King


1/4” or 7mm drill bit

1

Tool King