Thyme Kill™ (o-Cymen-5-ol) สารกันเสีย Natural Rate Use: 0.05-0.1% How many ml should I use to get a ratio of 0.05-0.1% NaturePreserve™ ? NaturePreserve™ ( Gluconolactone ) usage rate : 0.75-2.0% (recommended 1.25% for all kinds of products) how many milliliters should be used to get the ratio of 0....