Anyways
Dollar store epsom salt + old FOs = bath salts
All I did was pour a bit of salt into a couple of bottles of FOs that I won't use in important projects because they don't behave well, discolor, or I don't like how they smell. I read online that sometimes doing this can cause pressure to build up inside the glass bottle and cause an explosion...that didn't happen to me, but I left a little space in the top of the bottles and make sure to open them every once in awhile. The only time I've experienced pressure build up in a bottled product is with sodium bicarb.
Overall, this was a really easy product, great for not wasting any extra EOs or FOs you might have, but I would not recommend this method of making scented bath salts because the fragrance was definitely not incorporated well/thoroughly and it would have been really hard to color them if I had wanted to do that.
These work fine. Epsom salts are actually pretty fun, I might start using them in projects more frequently.