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Re: [APD] hydrogen peroxide dosage

Stuart Halliday wrote:
> So that's 15ml per 30L or 4.5ml per 100L with 3% peroxide.
> So the Aquariumwiki page is valid?
> http://www.theaquariumwiki.com/Hydrogen_peroxide

It's about 50 ml per 100 liters to get 15 mg/L. Calculation follows:

The density of 3% H2O2 is about 1,015g/L. Thus, 15mL is 15.22 mg, 3% of 
which is H2O2 (457 mg). Added to 8 gallons (30.28L) yields 15.077 mg/L. 
To achieve 15 mg/L you want to add 1500 mg of H2O2 which will require 
the addition of 49.28 mL of 3% H2O2.

I don't think there's any need to be that exact. I think adding 50mL per 
  100 liters is sufficiently accurate. The thing to keep in mind is that 
this is not tank volume, but actual water volume.
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