You must be 18 years old or over to buy this product. The Melpass Unblock-A-Block Alkali Drain Cleaner is a water-soluble chemical that mixes with both hard and soft water. The cleaner comes in 1 Litre bottle and has sulphuric acid as the main ingredient that unblocks clogged pipes and drains. This product has a unique formula which holds the active chemicals together that destroys bacteria, fungi, algae and also decomposes and rots materials which cause smells. The drain cleaner is versatile as

Brand Name	Melpass