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Old 10-16-2009, 11:42 AM   #2
Join Date: Oct 2009
Location: ca
Posts: 2
pastapup HB User
Re: Peroxide sinus Flush/Flooding --- is it safe?

Machaon, I notice that my hydrogen peroxide seems to go flat after it's been opened (like carbonated beverages). Does that effect the efficacy of the HP for the nasal rinsing?