Finally did the Oxy-Vin soak!
So I soaked my diapers in the oxyclean + vinegar over night. Didn't have so much of the reaction that everyone talks about- it bubbled up some, some no smoke and it didn't really get hot either. They are in the wash now. I did one hot wash with an extra rinse and then I'll just keep doing extra rinses until I don't see any more bubbles. My parents have a very new model HE frontloader, so we'll see how this goes. They also have INCREDIBLY soft water (like I keep dropping dishes while washing them because they are SO soapy- it's seriously like I didn't really realize just HOW hard our water in Laos is!)...so hopefully I can get these dipes clean now, and then get some good hard water soap to take back to Laos, and not have any more problems!!! Wish me luck!