The diaper I made is leaking at the seams in the legs. I've put it through the hottest wash and dry I could get. I'm thinking it's the thread. What should I be using? Help. I love this PUL.
Yes 100% - any cotton and it will wick through the cotton. You can buy another brand other than Guterman. My hancock doesn't carry the polyester guterman for some reason but they have another brand and I get that.
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You definitely want 100% polyester thread. I absolutely love Gutermann. It's pricey, but soooo worth it, IMO. Also make sure that you're using the thinnest gauge needle ball point needle you can find.
Re: PUL diaper sewing, what did I do wrong?
yes, you have to use 100% polyester thread. cotton covered polyester will still wick.
It's a size ball point needle. Is that good?