: Pour a full mug (about 250g–500g) of Soda Crystals directly down the plughole.
For the best results, ensure the water has mostly drained away before starting, or use a bailer to remove standing water. soda crystals unblock drain
: Pour another small amount of hot water over the crystals to help them dissolve and reach the blockage. : Pour a full mug (about 250g–500g) of
A sink that takes minutes to empty, or a shower tray that pools water. A sink that takes minutes to empty, or
. While the latter creates a satisfying fizz, soda crystals are strongly alkaline, allowing them to chemically break down acidic fats, grease, and soap scum that typically cause blockages. Manchester Evening News Why Soda Crystals Work Alkaline Power
: If the sink is full, remove as much water as possible using a cup or jug so the crystals can reach the drain directly.