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Re: [APD] hydrogen peroxide dosage

I believe Jerry Baker wrote this email section below:
> Stuart Halliday wrote:
>> Seems like a lot.
>> At 3% solution, surely 0.05ml per litre is enough to oxygenate?
>> ie 5ml for 100 litres?
>> Mind with this small level you can repeat dosage every 12 hours.
> It seems, from all the research I can find, as though anything below 
> 10ppm is safe for bacteria and fish. Invertebrates might be more 
> sensitive, but I've repeatedly dosed up to 15 ppm with no visible 
> ill-effects on fish or snails. With 3% peroxide, adding 1 tablespoon per 
> 8 gallons will yield very close to 15 ppm.

Pardon my ignorance Jerry, but how does one relate ppm to ml per litre?
Is there a formula? :-)

Stuart Halliday
200 Million years in the making...
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