I made two batches of soap with palm oil which I rarely use and both got soda ash. The last few batches I used lard and they're perfect. Anyone else notice that?
I've read SO....many tips and troubleshooting articles. The last two batches I just made with lard were fine. I guess it could be anything at this point. I've also read many people use alcohol spritz and others say it doesn't do anything on CP soap. I use it on my M&P soap, stops air bubbles on top and smoothes it out.According to modernsoapmaking.com: Soda Ash is caused primarily by any free sodium in sodium hydroxide interacting with oxygen, various fragrance constituents, and even heat, which forms sodium carbonate on the surface of the soap as it comes in contact with the air.
Given my own experience over the past year+ I have to agree that there no 'one' thing (or ingredient) that cause soda ash. My recipe contains 20% Palm Oil and I use the same recipe and same additives. The majority of time I don't get ash, but the times I do don't seem to have a rhyme or reason. The first time it happened was when I made a 2lb batch of Orange EO and some small 'sample' soaps and just left them in the kitchen; the ash on the sample soaps was so bad after four days that I just had to toss them. I thought it was because there was more carbon dioxide in the house than in the garage, or because it was warmer in the kitchen than the garage...but I didn't get any ash a few other times I left the soap in the kitchen. I've also gotten ash in the garage a few times. Over the last couple of months I started spraying my soaps with 99% alcohol...supposed to prevent soda ash. Maybe it does, maybe it doesn't. I had two soap...same everything except for the FO (same company). Didn't put alcohol...one got ash, the other didn't. Was it the FO...who knows.
My last soap I used both' Lard & Palm & got Soda Ash' however I made a soap two weeks ago w/ both Palm & Lard No Soda Ash' both soaps are CP. The soap w/ no soda ash had Gelled' the one w/ Soda ash didn't . The Soap w/ Soda Ash had more water ratio too.I made two batches of soap with palm oil which I rarely use and both got soda ash. The last few batches I used lard and they're perfect. Anyone else notice that?
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