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Just a quick note. I have probably mentioned this before. I have been finding that "really large" loops have different juice demands than even "pretty large" loops. Since I haven't been looking for this, I don't know exactly (or even vaguely) where the break actually occurs. What I can say is that under very nice bubbling conditions where I can make long tubes (30 or 40 feet or longer) and and large closed bubbles that last a reasonably long time (more than 20 seconds on average and up to a couple of minutes -- even for quite large bubbles with 5 or 6 foot diameters) that I can have great success with my 70" and 75" top-string loops but only occasional success with my 100" top-string loops.

When I do close super-giants, their life expectancy is often radically shorter than bubbles that are just a bit smaller. In some cases, adding a bit more soap improves my results dramatically.

I have created some amazing bubbles with my 25:1 and 30:1 dilutions with PEO mixes, but it isn't as easy as when their is a bit more detergent. With HEC mixes, the difference has been more striking. With guar-based juice, I haven't had a lot of luck with the 100" top-string. So, I think I need to refine the juice specially for really large loops.

But, I am hoping to find an answer that doesn't involve increasing the amount of detergent, as I really like the color profile and saturation that one gets at dilutions of (let's say) 22:1 and higher. I am hoping that tweaking polymer levels or perhaps using multiple polymers will solve the problem. 

So, it seems like there are some special demands when the bubbles get to gargantuan size that aren't obvious even with bubbles that seem pretty gargantuan.

...stay tuned

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