| NOTE |
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| A design of bubbler or piece that facilitates being angled in such a way that the product can only runo toward the heat-source is preferable to ensure full dosage; however, the use of a better heat-sink, such as ceramic fiber, in conjunction with the metal mesh as a screen will prevent such problems at any angle.
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 A Machine-Style Bubbler Stem seated in a bubbler.
- Prepare a glass piece to be fitted to the intake of a bubbler.
- this can be accomplished either by using a glass piece small enough to fit inside with a gasket fitted to provide a seal or by attaching the piece with a small section of tubing.
- Cut off a piece of the metal scrub pad, hold it with pliers, and burn with a torch under an oven hood until no more smoke is emitted.
- After it has cooled, stuff it in the larger end of the piece, and stuff it down toward the end designated for heat application somewhat tightly, and so that a part of the mesh is exposed.
| NOTE |
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| Most designs will result in runoff if used at a downward angle, but if a straight glass piece is used, that runoff may be immediately retrievable for further administration by simply plunging the plug to one end of the piece, then back into place.
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| Notes on Administration |
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- To load, simply place a measured dose inside the piece and onto the plug, and carefully melt into the plug by feathering with a flame or other heat source.
- A butane torch is a preferable heat source for the operation of this piece.
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