i have had this bottle for just about a year now. this is my second owala bottle because i absolutely loved the leak-proof design, the straw/sip feature ( especially the fact that the mouthpiece could be covered as opposed to a stanley). however… a few months ago i started to notice some black spots around the rubber lid free sip spout gasket.i was pretty alarmed to see mold on this water bottle i sip on constantly. i have cleaned this bottle based on the owala guidelines. however, the moldy patches appear in the same areas. my theory is the wear and tear of closing and opening the lid makes little cuts on the rubber over time and it’s practically impossible to clean it out entirely.after looking at other reviews, it does appear others have this same problem.owala sells this replacement part “replacement freesip spout gasket” for $1.99 but it is currently out of stock. amazon has an owala compatible replacement on sale for $4.99 (2ct).i will be purchasing this replacement and seeing how long it lasts.overall i have loved my bottle, but this is a significant downside. just something to be aware of when making this purchase.
it was already used, there was yellow at the bottom, mold was in the cup what more else can i say?? it was ripped off and the cup had obviously been used and washed
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