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Ah ha! I had not noticed but I have been using the cheaper 70% bottle, so I am there.Charlie99:An easy way to drop the percentage of alcohol a bit without having to use distilled water is to simply use "rubbing alcohol". Isopropyl alcohol at drug store comes in two varieties, 70% and 90+%. Just use the 70% variety, aka rubbing alcohol, in a 50/50 mixture with vinegar if you want to reduce the alcohol percentage.
33% of 90% = 30% vs 50% of 70% = 35%: about the same effect...!
The venigar is already reduced to 5% acidity, so 33% of 5% = 1.65% vs 50% of 5% = 2.5%: not much difference.
Thanks!