water bottles with tiny openings

SkyRider

Well-known member
when they were designing it, no one said "how the heck do you wash the insides of these properly?"

unreal lol

org_sigg.jpg
 
Bottle brush ...
 
Thermite.
 
Baby bottle brush. They suck even more, cant fit ice cubes into them.
 
I cleaned something with denture cleaner once. It worked but I agree, the design is poor.
 
pour some rice in it. Put some water. Shake violently by hand.

You can add sand if you feel adventurous
 
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