I wouldn't be that worried if the surface color occasionally is a bit dark. If it starts to smell bad then there probably is something wrong. Or if there is a soft, partially rotten spot.
Otherwise, the general idea is that a wooden cup is protected by salt and oils, which typically are soaked into the timber before selling a cup to the customer. Therefore it is wise not to use any chemical to wash up the cup - it is enough just to rinse with water (Ordinary dishwashing liquid will dissolve the protective oil, leaving the timber more vulnerable). Another tip is to rinse the cup with black coffee - the liquid will dry, but tiny amounts of oils and acids of will seep into the timber, helping to maintain it.
PermalinkSubmitted by Erkka Lehmus on 27. October 2021 - 18:16
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Yummy!!
We have those cups. They seem a bit black/mold inside sometimes. Is it normal? Or should I get rid of them?
GIo
I wouldn't be that worried if the surface color occasionally is a bit dark. If it starts to smell bad then there probably is something wrong. Or if there is a soft, partially rotten spot.
Otherwise, the general idea is that a wooden cup is protected by salt and oils, which typically are soaked into the timber before selling a cup to the customer. Therefore it is wise not to use any chemical to wash up the cup - it is enough just to rinse with water (Ordinary dishwashing liquid will dissolve the protective oil, leaving the timber more vulnerable). Another tip is to rinse the cup with black coffee - the liquid will dry, but tiny amounts of oils and acids of will seep into the timber, helping to maintain it.
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