- 1). Remove the metal grill and clear any visible debris from around the entrance of the drain. Pour water through if it will go. If the blockage is close to the surface and not too serious, this may clear the drain. Pour plenty of water through to disperse any remaining debris.
- 2). Blast the blockage through the system using a pressure washer. If the blockage clears, continue blasting water through the drain to clear all debris.
- 3). Pour soda crystals into the drain for troublesome blockages. Soda crystals are cheap and you may already have them in your household. Pour 500 g into the drain and rinse with hot water after 10 minutes. Soda crystals break down any greasy residue that has built up to cause the blockage.
- 4). Unclog the drain with a plumber's snake, or cable auger. A plumber's snake is flexible wire with a crank attached. When you wind the crank the snake extends and works its way down through the drain to shift blockages.
- 5). Buy a drain cleaning product if you have so far been unsuccessful. They can be very effective but are not very environmentally friendly. Exercise caution because they are dangerous chemicals.
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