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the biodiesel was made with sodium hydroxide, and the soap was also made with sodium hydroxide. i've been reading all night tonight and finding out a few things. please correct me if i'm wrong... thin room temp oils make gooey bar soap. thick room temp oils make hard bar soap. the...

so if a bar soap is gooey, does that mean it "needs" more lye in the process in order to make bars that are more firm? i'm trying to learn here and i really really appreciate y'all's feedback.

i made my first batch of bar soap last night from biodiesel glycerin. today i checked it and it has the consistency of silly putty. any ideas of what i might have done wrong? the recipe i used: 10 fl oz glycerin 6.25 fl oz water 6.25 g lye

are the kerosene and ammonia antibacterial? lolz!

thanks mamat! your explanation is much more clear than the ones in the faq. good stuff. :D

thanks!

is there a soap making glossary somewhere ~on this site~? i start to get confused by all these acronyms around here, and they don't match what i've found elsewhere.

i am trying to understand the difference between cold process and hot process soap making. from what i understand, they both must be heated on the stove, they both employ lye and water and fats/oils.

hello. i'm another person with glycerin as a biodiesel byproduct needing to make good use of what would be a waste item. i don't make the bio. i run my car on straight waste vegetable oil, but one of my friends makes bio for his vehicle and i pick up his glycerin. i've got at least 12...