"I have indeed noticed how the screw caps have gotten shorter ... but shrinking the cap and thinning the plastic bottle reduced the global warming footprint of the package by about 18%.

Yes, commercial ball screw covers are available, but they are targeted at professional machines, and so are not only too large for a homebrew machine like his but also priced for pro budgets.

If you’re thinking of one that’s plastic and either white or ... Don’t forget to paint the screws. Seal the painted outlet covers and screws with a clear, durable protective finish, like ...

Today's screw-cap liners generally are made of highly inert, medical-grade synthetics, similar to the plastic used for hospital intravenous drip bags. The other good reason to store screw-cap ...