I've used the Fix-It-All brand patching product. Sometimes my patches dry paper white, sometimes they end up yellow. Why might this be?

  • so you know where you patched? – Hituptony Oct 31 '13 at 16:18
  • 1
    It depends on the surface on which it's placed, on the water mixed in (e.g. containing iron) and on the mixing container. – DrMoishe Pippik Oct 14 '16 at 2:02

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