![Inside rim of stainless steel water bottle. Is it mold, or abrasion from plastic cap? : r/MoldlyInteresting Inside rim of stainless steel water bottle. Is it mold, or abrasion from plastic cap? : r/MoldlyInteresting](https://preview.redd.it/inside-rim-of-stainless-steel-water-bottle-is-it-mold-or-v0-h3urmu1j34fb1.jpg?width=640&crop=smart&auto=webp&s=01240b04367c77db1627370935142b6f7d4d63d1)
Inside rim of stainless steel water bottle. Is it mold, or abrasion from plastic cap? : r/MoldlyInteresting
![On the inside of a metal water bottle - doesn't come out with soap or hot water. Water bottle has only been used for water : r/whatisthisthing On the inside of a metal water bottle - doesn't come out with soap or hot water. Water bottle has only been used for water : r/whatisthisthing](https://external-preview.redd.it/BLtedPUFllF2iHbGA1ajNx75Mp6PNK9WF_HBZUrOjWs.jpg?width=640&crop=smart&auto=webp&s=1a0d3fcdf806dc28c8c34849dc8fe497e6251207)
On the inside of a metal water bottle - doesn't come out with soap or hot water. Water bottle has only been used for water : r/whatisthisthing
The only thing I ever put in my water bottle is water so why does it keep getting black mold? How do I prevent it? - Quora
![In a futile attempt to clean mold from a metal water bottle, OP soaks it in a bleach/vinegar solution for 12 hours and risks chlorine gas poisoning. : r/OopsThatsDeadly In a futile attempt to clean mold from a metal water bottle, OP soaks it in a bleach/vinegar solution for 12 hours and risks chlorine gas poisoning. : r/OopsThatsDeadly](https://preview.redd.it/how-to-get-rid-of-mold-in-water-bottle-ive-been-soaking-it-v0-cjb5chz0km9a1.jpg?width=640&crop=smart&auto=webp&s=ee6f5d4a3ae0426fc24d4497082c89b89821b364)