This bubble surprised me. Under these hot,dry conditions a 20 foot tube seems like a miracle to me and this was much longer. 2 pm. 93F (33.8C). 20% humidity. The loop is fairly low capacity -- so this size would be surprising on a good day. This is a guar-based juice with 25:1 water:detergent ratio PLUS 1/2 cup glycerine per quart of bubble juice! http://soapbubble.wikia.com
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Low humidity, especially when accompanied by high temperatures, presents a huge challenge to...