For most minor blockages, the first port of call is a liquid drain cleaner.

If the water is still slow, follow the instructions on your chosen drain cleaner. Most require you to pour the liquid, wait 15–30 minutes, and flush with hot (but not boiling) water. When to Stop and Call a Professional

Feed the cable into the drain until you feel resistance. Rotate the handle to hook the debris, then slowly pull it back out. This is particularly effective for shower drains clogged with hair. Step 4: Apply Chemicals

Bunnings offers a range of products to help fix blocked drains. Here are some common solutions: