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1. Former Bob Jonkman -- Please use the new server at https://gs.jonkman.ca (bobjonkmanformer)'s status on Sunday, 28-Jul-2013 00:47:48 EDT Former Bob Jonkman -- Please use the new server at https://gs.jonkman.ca

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   • Erkan Yılmaz
   Soap is a surfactant to break the "skin" on water, letting the water actually clean; sand is an abrasive-I'd go with soap to fight bacteria