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Here is your recipe for hand sanitize Isopropyl 91% alcohol = 182 proof to make 3 oz 90 ml use Alcohol 2.14 oz 64.29 ml Aloe .86 oz If using Ethanol 85% 170 proof alcohol 3 oz 90 mil Alcohol 2.29 oz 67.29 ml Aloe .86 oz...

Yes I use it all the time. Oxy-san is very good for sanitation but once mixed it will only last for 12 hours. I was told that Star san will last longer if kept in a sealed bottle. The Ph will go down to about 3.2. However I would not trust 3.2 ph for any sensitization I will be doing.

I was just looking for brewing information sites on the internet.

I use Oxy-San and I love the product. So far as I can gather Starsan is supposed to last up to a couple of days if kept in a sealed bottle. Hp drops to about 3.2 or so. Oxy- san has no such claim to dissipates to the point of not doing its after 12 hours