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@Leshaches
A young man who was being proactive used blue mordant t-wash instead of purple meths spirits to degrease a £60 chain.
Question 1- is it unusable as a bike chain, ie now unsafe for hard use?
Question 2- the metal garage guys who use the t-wash say it’s for etching galvanised steel. What did it do to this stainless chain? It looks as if it were made of copper.
— Learnt it’s an acid etch. So basically corroded tf out of the chain in under a minute.
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