Technical & Reference Section > Tech and Restoration

Oxalic acid

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chrisv39:
Going to make a start on my Peugeot build over the festive period and have bought 500g of oxalic acid so I can give the frame a bath. Does anyone know the ratio I need to be mixing this stuff? Frames not too bad just a bit of light pitting and surface rust here and there.

BMX1973:
I don't really use a ratio. Fill the old wheelie bin up with water and mix a 1kg tub of crystals in. Normally 24-48hrs is good enough. If you have a chance rub the yellowing off the frame a few times over the time period.

 :radbmxsmilie:

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