by Tow Itch Tue 29 Oct 2013, 4:45 pm
It will depend on you being able to free the cloth to use so it might be as easy to change the cover.
[You must be registered and logged in to see this link.] It was a revolation to me as I always thought the lingering mark in blood stains was rust but they use a different mix for rust.
You could try inverting the mattress or cushion and brushing to see if the rust is just surface and brushes out because it's not locked into the fabric. Silly question why just not invert and leave it at that, I don't suppose the rust is on the other side as well?