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Thanks @Mobjack Bay !! I definitely need a bottle brush. I've got hard water as well so that's really handy to know about Isopropyl alcohol.

It is pretty crazy how certain soaps can just put "fragrance" on the label without any other description and that's allowed. The sketchiest part is synthetic fragrances and ones that are known risks for allergens, cancer, reproductive and developmental toxicity, and so on.

For anyone curious, here was the procedure Pre-mixed 50.0% NaOH solution in a big 5L carboy (container with a spigot). I preheated the oil, lye solution, and DI water in a roaster oven set to 135-145 F (measured using a probe since the dial runs hot). It was 40-60 F out, so stuff I took out...

Hi, I recently picked up Dunn's Scientific Soapmaking and he recommended mixing soap in polypropylene (PP) plastic bottles for small batches instead of going at it with a stick blender in a bowl or crockpot. The good news is that it worked! I made several different single oil soaps this way, 1...

Not a lawyer, but if your main concern is health/harm I'd recommend looking up ingredients on ewg

Thanks for sharing your recipe! I’m also rural and my graywater drains separate. I’m in a dry area with lots of sand so I’d like to reuse my laundry/shower water in a planter/botanical cell. The less poison in my soaps and detergents the better

How long did you wait before you zap tested? 2 minutes? 2 hours? 2 days?

I made a big batch of lye water in bulk!

Hi, welcome! If you’re only making/curing one batch at a time, your storage requirements should be pretty small since you’d just need some lye, oils, and a bread loaf sized soap mold to pour into. Polypropylene plastic containers are pretty light, chemical and heat resistant, lye safe. If you...

Screw all this theory. Buy a pH meter, find out, and let us know :)

In Dunn’s book Scientific Soapmaking, he uses a 20 Qt roaster oven and preheats to 140F for his super small batch size CP soap where it can’t retain enough heat in the mold. He also uses an appliance timer to shut it off after 4 hours. Maybe that would help?

Ooh nice! Was there any difference on the bubbles?

Thank you for sharing your results!! I like your format.

Are these the beginning of “dreaded orange spots”? When did you make the batch and when did you take pictures? Are the specs growing over time? I haven’t encountered them myself but I’ve heard Rosemary Oleoresin Extract (ROE) can help prevent them. Lotioncrafter sells some and has directions...