I would like to get an idea of who you are, so I can bounce some ideas and get some tips. Who are the HP people and what are the reasons for your preferences?
I used to HP more often back in my earlier soaping days, but it wasn't long before CP stole my heart to the point that I only HP if I absolutely have to, i.e., when making my shave soap which is impossible to CP because of the high stearic, and when using an FO that won't play nice in CP (seized soap-on-a-stick).
These are the things that I've found to really help make my HP batter more fluid (I use all of them together when I HP):
1) I use a 28% lye concentration
2) I use 3% sodium lactate ppo (I should mention the type of SL I use is the prepared kind in a 60% solution)
3) I use sugar at 5% ppo
4) I use my oven, not a crockpot.
RE: crockpots: Crockpots heat rather high these days due to food safety concerns. It used to be that crockpots heated somewhere around 176F on the low setting and around 194F - 200F on the high setting, and folks were able to HP on low with no issues, but nowadays crockpots heat at least 200F on low and 300F on high (sometimes higher), and I see more and more folks reporting overheating issues when they HP in their crockpots.
For what it's worth, I HP in my oven between 170F - 180F (in a covered stainless steel soup pot), and I refrain from stirring until after it has gone transluscent. Works great. Although my HP batter will never be as beautifully fluid as my CP batter, when I use all of the above 4 tricks, my HP batter comes out about the consistency of a fluid, smooth jam (instead of mashed potatoes), although my top surface still solidifies pretty fast when it hits the air no matter what. To combat the topside fuglies, I make my HP batches a little bigger than normal and then I plane the fuglies off after cure so that I'm left with a normal-sized bar in the end.
IrishLass
I make soap primarily for my own use and have made only HP in the crockpot. I don’t use colorants but I do use either essential oils or fragrance oils designed for soaping. I made my first batch almost five years ago. This last year I read about the stick blend hot process method which allows for adding yoghurt and / or water at the end of the cook. I use a small amount of sugar water after the cook and it makes the soap much easier to work with at pour time, especially for individual cavity molds. I have noticed a slight warping in the soap shape after a 6 week cure, but I don’t sell soap so it doesn’t really matter to me.
Do you recommend 38% water, or higher? Also, are there oils that work better for HP? I think I already found that using too much of a hard oil % isn't best!
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