Kilrock Kil-Block Kitchen & Outdoor Drain Unblocker 500ML

Multi-use unblocker for plugholes and outside drains. Powerful caustic formula breaks down organic waste such as fat, grease, food, hair, and concentrated slime to shift even powerful blockages. A weekly application of a third of a bottle will keep your plughole free-flowing and help prevent germs and smells. Directions for use: 1. Open cap carefully. 2. Pour entire contents into plughole/drain. 3. Leave until blockage is freed (if required leave overnight). 4. Flush through with hot water.