Lye Crystals - Sodium Hydroxide

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Sodium hydroxide - also known as caustic soda. We are not permitted to send this item in the post, but it is available for local pickup - Please email [email protected] to place an o rder. Lye is a strong alkali used with vat dyes and indigo. Wear protective clothing when mixing lye and have good ventilation. Always add lye to cold water rather than the other way around. This chemical is corrosive and will cause burns if it comes into contact with skin or eyes. Available in a reusable/recyclable plastic container. Our rates reflect a growing discount as the size increases. Show more