I have heard that 35% food grade hydrogen peroxide can be used safely,but need more info & exact amounts per gallon of water.I have tried H20 websites,but they have not answered my e-mails(several).

(may be broke/outdated!)
I have heard that 35% food grade hydrogen peroxide can be used safely,but need more info & exact amounts per gallon of water.I have tried H20 websites,but they have not answered my e-mails(several).