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Last Spring (or late Winter, maybe?) when I requested a sample of sodium alginate from Tic Gums, I perused the website and saw that they also offered several different types of industrial grade guar gum powder.  After speaking with their live chat customer service person, I chose two that she felt might work well for bubble juice and requested samples of those as well.

I was working on the waterless guar concentrate at the time, pretty much to the point of obsession.  It was early on in the trials, before I'd stopped adding baking powder to the recipe so, I mixed up two test batches (one of each sample I'd ordered) labeled the bottles with their contents, wrote the date on them and then promptly set them on a shelf in the "bubble cabinet" in my kitchen and forgot they even existed (I had a lot going on at the time, both bubble related and not).

I made a couple ready-to-use batches with the industrial grade guar as well, around the same time but, I lost interest when I'd determined that they didn't perform quite as well as the food grade guar.  The samples were tucked away and forgotten about shortly thereafter.  

A week or two ago (maybe a month? I dunno - I've been busy and time is apparently flying by!) I rediscovered the two industrial guar concentrate test batches in my cabinet.  I picked one up and swirled it around, read the label I'd attached and then swirled it again to be sure I wasn't halucinating.  Oh. My. Word.

Like I mentioned before, industrial grade guar doesn't perform *quite* as well as food grade guar in bubble juice.

Know what else it doesn't do, even when mixed in a waterless concentrate with baking powder?

IT DOESN'T FORM A GEL DISK!!!

Yes, it still separates and collects on the bottom of the container, BUT* it mixes back together beautifully, with just a few swirls of the bottle!

Clearly this warrants further testing.  I'll try to remember to post what I find.

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