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  • pingh2 commented on vitorgil's instructable Soap with used cooking oil8 months ago
    Soap with used cooking oil

    Yes, never use aluminum pot, it will react with NaOH violently. Glass-made or heat-intolerant containers should also be avoided.Use stainless steel containers or PP containers seems fine. Tap waters are actually OK though.

    Yes, never use aluminum pot, it will react with NaOH violently. Glass-made or heat-intolerant containers should also be avoided.Use stainless steel containers or PP containers seems fine. Tap waters is actually OK though.

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