Standard Couplers

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Care and Feeding of Blue Tube:

For best results, keep dry, rough up the surface with fine sandpaper and seal with a few coats of sanding sealer. Sand and paint as usual. Sanding sealer is a thin penetrating liquid for wood. It will wet the vulcanized fiber, soak in and dry. This will make a vapor barrier and a great base to paint on. No primer is necessary. Sand lightly until smooth. That's it!