Keep your drains fresh and odour-free with Zep Drain Bioclean & Odour Control. This eco-friendly, enzyme-based formula is designed for preventative maintenance, tackling odour problems and slowly working through tougher blockages over time. Simply use 30-60ml every two weeks for regular care. It's safe for all drains around the home and works best when applied at night. For blocked drains, use 500ml followed by warm water and allow an 8-hour wait. Zep Drain Bioclean & Odour Control offers a long-term solution to maintain drain health and prevent unpleasant smells. Key Features: * Eco-friendly drain maintenance * Enzyme-based formula prevents odour problems * Ideal for regular preventative care * Gradually clears tougher blockages * Safe for all household drains Product Summary: Zep Drain Bioclean & Odour Control, 1L, enzyme-based, eco-friendly, drain maintenance, odour prevention, blockage clearing, household drains.