I just finished tie dying a shirt purple and blue, I hope it looks okay.
Try soaking your tie dye in equal parts white vinegar and cold water for 30 minutes
That is a good idea, does it help the dye set?
How to Colorfast Your Clothes. Thoroughly clean a large mixing bowl or cleaning bucket, and then fill it with one gallon of fresh, clean water. Add one-fourth cup table salt and one cup vinegar. 
That is helpful, sometimes the dye runs when I wash it.
When it comes to whites, check whether the items have a 'do not bleach' symbol. If they don't, soak in a weak 
That is helpful, I try to avoid using bleach to avoid damaging my clothes.
First things first, you need to neutralise the bleach as it could cause a hole in the fabric if left on it for too long:
I definitely don't want holes in my clothes!
Discovering a hole in your shirt can be frustrating. ... You can fix the hole in your shirt at home using a needle and thread or a patch