Drain opener (foaming) | |||
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| Drain opener (foaming).   This is sodium hydroxide-based drain opener with a twist. See the little shavings? Those are probably either magnesium or aluminum, which will generate hydrogen gas when the sodium hydroxide is dissolved in water, creating a foaming action. At least, I think that's the idea. Source: Farm & Fleet Contributor: Theodore Gray Acquired: 28 June, 2009 Text Updated: 29 June, 2009 Price: $10 Size: 2" Purity: 56%  | |||
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