: If the sink is full, remove as much water as possible so the crystals can reach the blockage directly.
If soda crystals alone aren't enough, you can add a physical reaction to help dislodge debris:
: Allow the crystals to sit for at least 10–15 minutes . For severe blockages, it is often recommended to leave them for several hours or even overnight . unblock sink with soda crystals
For very stubborn blocks, repeat the process once more before trying a mechanical method (like a plunger or drain snake).
: Pour approximately one cup (about 200–300g) of soda crystals directly down the plughole. : If the sink is full, remove as
Soda crystals are cheap, biodegradable, and effective at dissolving grease, soap scum, and organic buildup.
: Pour a kettle of boiling water down the drain to soften any grease. For very stubborn blocks, repeat the process once
A blocked sink can be a frustrating and inconvenient problem. Instead of reaching for harsh chemicals, consider using soda crystals to unblock your sink. Soda crystals, also known as sodium carbonate, are a natural and eco-friendly way to clear blockages and clean your sink.
Run the hot tap for 2–3 minutes to flush away the dissolved debris. The drain should now flow freely.
To effectively clear a blockage, follow this simple 20-minute process: Dealing with blocked drains and sinks
Leave the mixture to sit for 15–30 minutes (for stubborn blocks, leave overnight). Do not run the tap during this time.