Number 1 enzyme drain opener by the leading consumer testing magazine. Great for slow drains! Keeps drains & garbage disposals smelling fresh. Does not contain acids or caustics. Safer around pets & children. Natural Build-Up Remover: Our drain maintainer's natural enzymes dispose or organic substances to safely eliminate drain-clogging build-up in your pipes, while leaving behind a hint of delightful citrus fragrance. Perfect for most organic blockages, including grease, oil, soap residue and more. Like all quality products from Citra Solv, LLC., our drain maintainer is derived from natural, biodegradable, renewable resources. Important: This product will not open drains that are slowed or clogged by mineral deposits. Natural enzymes work on organic clogging agents such as grease, oil, soap residue, etc. Our drain maintainer is safe for use on all plastic and metal pipes, household drains, garbage disposals and septic systems. Won't hurt plumbing. Dear Customer: We hope you enjoy using our drain maintainer. However, if for any reason you are not satisfied, we will gladly refund the full purchase price. Just return the unused portion of the product to us, along with your receipt. From our home to yours. - Steve + Melissa. Cruelty free and vegan. www.citrasolv.com. Made in USA.