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  • You should use distilled or deionized water like the water used for clothing ironing.

    Thanks for posting that, otherwise I would have used normal water like a dumbass ahah

    So here is the update, I rinsed the pcb with de-mineralized water, but I did not try to switch on the banglejs1 yet. I noticed there is some "greyness" on the pcb around some components (R7,C4,R6). Is that a sign that some residue from the river water is still there? Should I use something more abrasive to try to remove it?

    I attached pictures of the pcb and of the crushed rubber ring.

    3 Attachments

    • IMG_20230910_090918.jpg
    • IMG_20230910_090926.jpg
    • IMG_20230911_085141.jpg

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