Bath soak gas and exploding containers?

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grassyriver

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I've never made a bath soak before. I was following a recipe of:

3 cups Epsom Salt
2 cups Dead Sea Salt
1 cup Baking Soda

I split the recipe up to scent it 3 different ways with about half leftover unscented. All of the scented ones I have sitting spread out in pans to dry. I put the leftovers in a ziploc bag and just realized that it keeps blowing up with gas after an hour or so. I have a feeling it's the baking soda but I know zilch about why/how it is happening.

My question is will my bath soaks explode if I put them in glass jars with lids as I had intended? I was going to mail these as Mother's Day gifts to the women in my life but now I'm worried.
 

Navaria

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Yes it's the baking soda reacting to the moisture and air. Probably from the dead sea salts :( but no they won't explode a glass jar. At least mine didn't although I was pretty sure they were going to pop the seal on the ziplock bag lol
 

sudsy_kiwi

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I've had the same problem with bags popping from the gasses. The ziplocs did pop, but luckily they were heat-sealed foil bags, and the heat seal held. Still have to repackage them before I sell/gift them though. I've ordered some silica gel packs, which will hopefully help combat this.
 

grassyriver

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Well I ended up leaving the ziploc bag open and it eventually stopped gassing up. I tried baking part of the salts too to see if that made a difference. It helped dry them out (after scenting) and they also stopped giving off gas. Guess I just didn't wait long enough!
 

lsg

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I poke tiny holes in my cellophane bags and package the bags in a Chinese To-Go box.
 
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