Enzyme-powered formula is designed to clean and maintain free-flowing drains. Septic and greywater-safe, ECOS Earth Enzymes is powerful enough to dissolve all that yucky buildup clogging your drains without harming the environment. ECOS products are never tested on animals and contain no animal ingredients (they’re Leaping Bunny certified!). | We're a team of mothers, fathers, chemists and pioneers who believe passionately that everyone should have access to safer, effective and affordable cleaners. We've been breaking barriers in green science for 50 years, shattering the misconception that buying “green” has to be expensive. ECOS products are made in the USA using thoughtfully sourced global ingredients and powered by 100% renewable energy. We’re leading the industry with facilities that are carbon neutral, water neutral and Zero Waste Platinum certified, and we’re committed to helping you create a healthy home while protecting our planet’s precious resources.