[Bill W was a conservative]

http://pforlife.com/hydroprox-35-35-food-grade-hydrogen-peroxide-4oz-16oz.html
is where I made my first and only purchase to date. $30 plus $11 S&H for what looks like a 45 day experiment.
I will be in the hunt for cheaper source if I continue with the program.

[teenyelliott]

amazon.com has a couple of sellers, 24.95 + 5.00 S&H.