pH

Join me this Sunday for a Zoom meeting on pH & pH meters (Download formula & handout here!)

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pH & pH meters! Join me as we take a look at pH and our products. We’ll calibrate our meters, then use them to test a few different products. I’ll show you how to prepare your your product for testing, create pH adjusting fluids, measure the pH of your product, and adjust the pH.  Topic: pH...

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How the ingredients determine the pH of a shampoo bar, and testing Lush’s Jumping Juniper bar

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When we were at Windy Point Soap Making Supplies two weeks ago, we had great fun testing the pH of various Lush products, including three shampoo bars – Jumping Juniper, Montalbano, and Trichomania – as well as two “self-preserving” shower gels, Honey I Washed the Kids and The Olive Branch. Let’s take a look at...

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Acids, bases, and pH – oh my! Part 10: A short video about altering the pH of our products

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We had great fun in the workshop making a bunch of little videos about pH, pH indicators, adjusting, testing, and everything else to do with this topic. Here’s a little 2 minute video we made showing how phenolphthalein behaves when we add an acid and reduce the pH. We took a look at pH indicators...

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Acids, bases, and pH – oh my! Part 9: Reducing or increasing the pH of our products

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I went into quite a bit of detail in this post – Acids, bases, and pH – oh my! Part four: Testing our products with pH meters – but thought I’d write up a quick reference post on how to adjust the pH of our products. If you want to reduce the pH or make...

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Acids, bases, and pH – oh my! Part 8 : How does a pH meter work?

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If you want to catch up on this series, please check out the pH & pH meters section of the blog by clicking the link.  I thought I’d share a little more of the science of our pH meters with you as I found it really interesting! You don’t need to know this to test...

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