Hello Soapmaker Man...
I found your salt bars topic in another place, and I'm very interested in trying to make them.
You ought to! I love salt bars! I hear a few soapmakers only personally use their salt bars and nothing else! I like mine that well.
I have a couple questions...first, you say that you used your bars immediately (or within a couple days) does the salt help to cure them faster or are you making them using HP??? What effect does salt have on the lye still left in the bars?
Yes, the added salt creates a great amount of heat and speeds saponification and thus dries out more moisture faster. A salt bar is easily usable within 24 hours after removing from the mold. They get very hard very fast! You don't want to drop a salt bar on your foot in the shower! They are heavier too, since the addition of salt. They last longer also than regular CP soap does. As with all soap, waiting is a tad better but not nearly as much as regular CP.
I make only CP soaps. The salt bars are CP also.
Also, I'm not completely comprehending the formula used to make the bars. I usually make batches that are 60oz of oils, so what amount of salt would I need for that batch? Do you add it at trace? Do you recommend coarse sea salt or fine or is that just a personal preference?
I only use a 40/60% blend of salt verses oils for a recipe. If your normal recipe and mold uses 60 ounces, I would reformulate a recipe using about 50 ounces of oils and use 40 ounces of salt. With this formula, XXXamount of oils times .8 equils how much salt needed in the recipe. I use fine sea salt or fine Kosher salt. Most any salt except Epsom's Salt, which is not really "salt" will work though. I add my fine sea salt at very light trace, just after I know I've stick blended all the ingredients together thoroughly. After pouring in the salt, just whisk it together until well incorporated, add scent or colour and perhaps swirl a colour or two.
I'm sorry for inundating you with all these questions, but with the holidays coming up I'm excited to try a few new things!!
I'm excited for you to try them! You will love them too!
Thanks for all your help!
Your welcome Kelly!
Kelly