Stain removal help please!

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LazyDaisy Sep 2020 7:42pm, 16 Sep 2020 31,104 posts	0 LazyDaisy OH dug out a baby shawl from a trunk in the loft - it'll have been in the trunk fro about thirty years and has picked up a rust stain. It's knitted from a man-made yarn. Vanish has reduced it a bit but it's still visible. I see on the internet that rubbing with lemon juice and drying in sunshine might work and I'll try that tomorrow. Any other tips welcome please!
sweetpeas Sep 2020 8:01pm, 16 Sep 2020 132 posts	0 sweetpeas I never found sunshine did anything and IIRC it is better for organic stains anyway? Depending on how bomb proof the yarn is, I’d consider soaking with equal parts vanish powder and bio for a few hours (cold water) then rinse a few times and pop it through on a 40 wash with like colours.
LazyDaisy Sep 2020 8:03pm, 16 Sep 2020 31,106 posts	0 LazyDaisy It seems pretty tough yarn sweetpeas. I've soaked it in Vanish but not added the bio detergent. Thanks, I'll try that.
Angus Clydesdale Sep 2020 1:33pm, 17 Sep 2020 19,739 posts	0 Angus Clydesdale Sunshine is excellent for bleaching stains (not sure how I know that, given my location!). I would definitely give the lemon juice/uv a go.
Derby Tup Sep 2020 1:37pm, 17 Sep 2020 46,382 posts	0 Derby Tup You need a sequestrant if it’s rust. Something like Calgon if you have any Sunlight is good at killing mould / fungal stains etc
HellsBells Sep 2020 1:51pm, 17 Sep 2020 27,209 posts	0 HellsBells I think Stain Devils have a rust specific one. Otherwise another vote for Vanish and BioTex - initial water temp not above 40 or you’ll kill the BioTex
LazyDaisy Sep 2020 6:58pm, 17 Sep 2020 31,115 posts	0 LazyDaisy Thank you all. I left the shawl doused in lemon juice out in the garden in bright sunshine all day while we were away at FiL's funeral. It's done a really good job - the stain hasn't completely gone but is much much less obvious. I'll have another go with the same thing tomorrow then if needed will try the Vanish and Biotex. I'm feeling a lot more optimistic tonight
Rosehip Sep 2020 7:15pm, 17 Sep 2020 17,788 posts	0 Rosehip It's possible that leaving it in a bowl of clean water with a ball of kitchen foil scrunched up on it might just shift a bit more stain if everything else fails
LazyDaisy Sep 2020 7:18pm, 17 Sep 2020 31,116 posts	0 LazyDaisy That's an interesting one Rosehip!
Derby Tup Sep 2020 7:18pm, 17 Sep 2020 46,388 posts	0 Derby Tup Many stains can be removed by an overnight soak in wash powder. It’s powerful stuff