• I tested the above on a set of Truvativ BMX cranks, black anodised
    Sandpaper in the tight angles and small bits is a waste of time and finger numbing but i found Mr Muscles drain unblocker works a treat, it has sodium hydroxide but not in the aggressive amounts of over cleaner. you can paint it on/ or sit the part in a shallow bath and watch it foam, then dip it in how water to rinse.

    Repeat this 5-6 times. it turns the paint back to a liquid but dries out quick so you end up with a tinted metal finish.
    Scourer and fairy liquid gets this out and the shine comes through using the fine grade wet/dry paper. job done during a single John Wayne film.. fk me is he righteous!

    Now do i polish before the clear coat, or just rub down? anyone tried polishing before coating??

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