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Certified Lye™ sells dry solid lye as 99.99% pure sodium hydroxide microbeads. The remaining .01% of the mass within the canister is water vapor pulled from the air, due to the intense hygroscopic properties of lye. Never leave lye exposed to open air; replace the lid when not in use. If the lid is repeatedly left off of the canister for extended periods of time, the lye microbeads may eventually pull enough water vapor from the air to become moist and the microbeads of lye may cake together.
Certified Lye™ sells an extremely high-quality lye, which is manufactured in the USA and is intended primarily for use in making soap. Our high-quality lye meets the FCC and USDA standards for food uses, such as curing olives, hominy, century eggs, lutefisk and poaching German pretzels. Use Certified Lye™ food-grade lye for food preparation and soapmaking. Lower grades of lye are commonly used as drain openers or oven cleaners and may contain unwanted additives.
The caustic potash (potassium hydroxide) sold by Certified Lye™ also conforms to high quality standards and is over 99% pure KOH. It is sold as dry flakes for the primary purpose of creating liquid soap and cream soap but may also be used to make biodiesel fuel.
Certified Lye™ packages high-quality sodium hydroxide microbeads in 20-ounce (1.25-pound) plastic canisters and high-quality potassium hydroxide flakes in 16-ounce (1 pound) plastic containers, which are both designed for resale. The 20- and 16-ounce plastic canisters are sealed with re-usable screw lids to prevent moisture damage. Generally, 20 ounces of lye (sodium hydroxide) will make approximately ten pounds of soap, which may be cut into about 40 regular size bars of soap. View photo of lye canister.
Lye (sodium hydroxide) is sold as low as $5.99 per pound.
Certified Lye offers price discounts when organization members buy lye to make soap. After verification of listing, Natural Soap Directory subscribers receive a 5% refund. After verification of membership, Handcrafted Soap Makers Guild members receive a 5% refund. After verification of class registration, students of the Soapmaking Studio receive a 5% refund. To request the refund, email email@example.com with your Natural Soap Directory subscription date or the HSMG discount code. Maximum refund per purchase is 5% of lye price; refunds may not be combined.
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Caustic potash (potassium hydroxide) is sold for $9.99 per pound and is not eligible for discounts.
Certified Lye™ is a member of the Handcrafted Soap Makers Guild.
Certified Lye™ is listed with the Natural Soap Directory.
Certified Lye™ brand lye and KOH are also sold at the Soapmaking Studio in San Diego, CA.
Lye Calculator & Recipe Formulator
Certified Lye™ ships lye throughout the United States and US territories. Lye can be delivered to any domestic destination, including Alaska, Hawaii, American Samoa, Federated States of Micronesia, Guam, Marshall Islands, Northern Mariana Islands, Palau, Puerto Rico, Virgin Islands, and all APO/FPO addresses. Lye cannot be shipped internationally to countries other than the USA. Canisters of lye are sent via an expedited air service that costs $14.99 or less for each package of twelve canisters (15 pounds) of lye. Certified Lye™ charges a hazmat handling fee of $2.99 or less per package.
For combined shipping, add both lye (Buy Lye) and protective equipment (Buy Protection) purchases to cart before checkout.
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