Soap Lye Calculator - Trace

Calculate lye, log every batch, and keep your soap recipes in one place. Trace is a lye calculator, recipe book and batch log for cold process and hot process soapmakers. LYE CALCULATOR - NaOH or KOH amounts for your oil blend, by weight or by percentage - 33 oils with SAP values from SoapCalc's oil table, checked against Codex Alimentarius ranges - Superfat, water-to-lye ratio and KOH purity (100%, 95%, 90% or 85%) - Grams or ounces; decimal points or commas - Run every recipe through a second lye calculator before you make it BATCH LOG - Log each batch with its oils, lye, water, temperatures, trace and costs - Cure countdown with days remaining and a Ready badge - Weigh-ins to follow water loss during the cure - Rate each cured batch: pH, lather, conditioning, hardness and scent RECIPES - Save your own recipes and scale them to any batch size - Start a batch from a recipe with its oils filled in - Filter by testing, proven or production - 30 starter recipes to begin from SOAP PROPERTIES - Predicted hardness, cleansing, conditioning, bubbly and creamy lather - Iodine value and INS TRACE PRO - Unlimited recipes and batches - All 7 property predictions - All 30 starter recipes The free version includes the lye calculator, 5 saved recipes, 10 batches, hardness and cleansing predictions and 3 starter recipes. Lye is caustic. Wear goggles and gloves, add lye to water (never water to lye), and keep children and pets away. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/