Soap Challenge March 2020- Clamshell Technique

Collection by Emily Milbauer

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I joined the March Soap Challenge. The technique was clamshell by Teri Endsley. I used the recipe from her Tidal Flow Line Pour technique (available on her website, treemariesoapworks.com) throughout and did the regular category in a 10 inch silicone loaf mold.

Emily Milbauer
My first attempt had colors and scent chosen by my three year old daughter. It went ok. It started out well but came to trace too quickly. You can see the nice feathering and clams in the first two bars before it turns to lumps. I attempted to plane two of the middle bars with a mandolin both to flatten the lumps and remove some soda ash from the sides. It worked but I sliced a chunk of my thumb off so won't be doing that again. Lessons Learned: I didn't use fragrance after this attempt.

Clamshell Attempt 1

My first attempt had colors and scent chosen by my three year old daughter. It went ok. It started out well but came to trace too quickly. You can see the nice feathering and clams in the first two bars before it turns to lumps. I attempted to plane two of the middle bars with a mandolin both to flatten the lumps and remove some soda ash from the sides. It worked but I sliced a chunk of my thumb off so won't be doing that again. Lessons Learned: I didn't use fragrance after this attempt.

I went for a spring green and leaf green going forward. This one went really well! Three bars show the technique really well. The loaf looked great out of the oven but I left the cover off and it developed significant soda ash during the day. You can still see some of it after my significant scrubbing. Lesson Learned: Leave the cover on. Fragrance free worked great.

Clamshell Attempt 2

I went for a spring green and leaf green going forward. This one went really well! Three bars show the technique really well. The loaf looked great out of the oven but I left the cover off and it developed significant soda ash during the day. You can still see some of it after my significant scrubbing. Lesson Learned: Leave the cover on. Fragrance free worked great.

I made a 20oz recipe for attempt two and didn't need nearly that much. I used the rest in my four inch loaf mold continuing to practice the technique as it was still perfect trace. Almost better than the official loaf! Lesson Learned: Did 18oz recipes going forward. Also bought another of the same measuring cup. It is easier to pour both colors evenly into the pouring pitcher from two of the same pitchers.

Clamshell Attempt 2 Bonus Bars

I made a 20oz recipe for attempt two and didn't need nearly that much. I used the rest in my four inch loaf mold continuing to practice the technique as it was still perfect trace. Almost better than the official loaf! Lesson Learned: Did 18oz recipes going forward. Also bought another of the same measuring cup. It is easier to pour both colors evenly into the pouring pitcher from two of the same pitchers.

Lack of patience got me on this one. Way too thin and mixed together. Went ahead and cut vertically since there was nothing to see on the top. At this point I was almost out of the green mica I was using and started using a green oxide instead. Lesson Learned: be patient and wait for the right trace!

Clamshell Attempt 3

Lack of patience got me on this one. Way too thin and mixed together. Went ahead and cut vertically since there was nothing to see on the top. At this point I was almost out of the green mica I was using and started using a green oxide instead. Lesson Learned: be patient and wait for the right trace!

This is an example of what happens if your two colors aren't at the same trace. The leaf green (green oxide) was perfect but the spring green (a mix of micas) was too thin. It didn't pour out evenly so only one bar is really good. Lesson Learned: oxides and micas might trace at different rates. Use one or the other.

Clamshell Attempt 4

This is an example of what happens if your two colors aren't at the same trace. The leaf green (green oxide) was perfect but the spring green (a mix of micas) was too thin. It didn't pour out evenly so only one bar is really good. Lesson Learned: oxides and micas might trace at different rates. Use one or the other.

For my last attempt, I ran out of green mica and didn't want to use oxide in one and mica in the other so I switched my color palette. Purple is Purple Vibrance and the teal is Proud Peacock and Winter White, all from Nurture Soaps. I took it easy and went slow and it turned out great. Clamshells in all five bars. Just a little drippage that messed up the very end. There are even nice clams in the cut!

Soap Challenge Final Attempt 5

For my last attempt, I ran out of green mica and didn't want to use oxide in one and mica in the other so I switched my color palette. Purple is Purple Vibrance and the teal is Proud Peacock and Winter White, all from Nurture Soaps. I took it easy and went slow and it turned out great. Clamshells in all five bars. Just a little drippage that messed up the very end. There are even nice clams in the cut!

This is my favorite bar from the last attempt. The clams turned out nice and even with plenty of feathering.

Favorite Bar

This is my favorite bar from the last attempt. The clams turned out nice and even with plenty of feathering.

One to show the clams in the side cut. You can see a couple tiny bubbles but it's not bad considering how gently I hit it down.

Side Cut

One to show the clams in the side cut. You can see a couple tiny bubbles but it's not bad considering how gently I hit it down.

Here you can see the progression through the loaf. I just noticed when uploading that the last bar is upside down in the picture. It does have clams in the top half but the drips from my fingers messed it up.

Loaf Order Bars

Here you can see the progression through the loaf. I just noticed when uploading that the last bar is upside down in the picture. It does have clams in the top half but the drips from my fingers messed it up.

*RECIPE* Tidal Flow Line Pour Cold Process Soap (Technique Video #23) – Tree Marie Soapworks

*RECIPE* Tidal Flow Line Pour Cold Process Soap (Technique Video #23) PDF FILE

THIS IS NOT SOAP. This is a recipe download that goes along with the "Line Pour Technique, Cold Process Soap, (Technique Video #23)" YouTube video. https://youtu.be/jgnA2pBi2-c This recipe contains these ingredients (Please only buy this recipe if you are comfortable with these ingredients.): Distilled Water, NaOH, Olive Oil, Coconut Oil, RSPO Palm Oil, Castor Oil, Powdered Sugar, Sodium Lactate, Fragrance, Essential Oil, Titanium Dioxide, and Micas Technique Skill Level: Intermediate After…