Originally Posted by azteca
Hello Snipe.

I have a question please.

What is the strength of your Peroxide 35 or 40%.

What is your dose 500 or 1000 PPM, for 10 minutes.
A=
I use 35%.. @ 200-220ppm
12ml 35% in 5 gal water is 200ppm, OR.. 3.8ozs of 3% H2O2 per 2 gal water= 200ppm.