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View Full Version : Longevity of KOH solution



j1walters
07-29-2012, 02:44 PM
I have not established a dry cell to this date, but I am wondering how long will a 3 quart reservoir of KOH solution typically lasts mileage-wise. I see a good concentration is at 28% or roughly 3 1/2 pounds per gallon, but each bottle that I could get comes in 2lbs at $8. If I see it could be just as expensive for paying for two gallons of gas for lye.

Also, I think it was BioFarmer who mentioned something about filtering his solution and maybe reusing it. I wonder how you would go about that with my final question.