this post was submitted on 31 Jan 2025
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[โ€“] exhaust_fan@lemmy.world 5 points 1 day ago (1 children)

Won't it loudly hiss air when they refill and screw cap back on?

[โ€“] sleepmode@lemmy.world 2 points 23 hours ago* (last edited 23 hours ago)

It should slowly leak out if you tighten it just so. Probably depends on the valvecap design but generally the standard black ones will not leak rapidly even if they screw them all the way. A peppercorn or airsoft bb will also work.