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Old 19th May 2019, 2:36 pm   #11
Dave Moll
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Join Date: Feb 2005
Location: West Cumbria (CA13), UK
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Default Re: Discolouring of a GPO 746 phone?

Just to clarify, those are American gallons. The imperial equivalents are 0.83 gallons peroxide to 3.33 gallons water - but of course the proportions of 1:4 are still the same!
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