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Showing results for tags 'Carbon'.
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So I have some old rowa Carbon (maybe two years old) I had in my garage. I used it once no issue and now I went to change it and the carbon is making a whistling noise when I rinse it with DI water. Is this normal? I've personally never had this experience and don't want to use the Carbon but does anyone know if it's safe? Or is my pico gonna have to go without Carbon for a few days til I buy time to go to the LFS.