: 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 .
If the sink is completely blocked with standing water, bail most of it out into a bucket. You need the crystals to reach the drain, not just float on top.
Unlike baking soda, which is often used for mild cleaning, soda crystals are more alkaline and powerful. When mixed with hot water, they create a caustic solution that reacts with fatty acids in the grease to "saponify" them, essentially turning the oily gunk in your pipes into water-soluble soap that can be flushed away. Step-by-Step: How to Unblock Your Sink unblock sink with soda crystals
: Pour crystals down the drain, followed by Citric Acid dissolved in hot water. The resulting fizzing reaction helps shift stubborn grime.
: Use rubber gloves and eye protection to avoid splashes, especially if you have sensitive skin. : Allow the crystals to sit for at least 10–15 minutes
Soda crystals are cheap, biodegradable, and effective at dissolving grease, soap scum, and organic buildup.
Using soda crystals (sodium carbonate) is a highly effective, non-toxic way to dissolve grease, soap scum, and grime in sink drains. Unlike caustic soda, they are gentler on pipes but still powerful enough for most blockages. Step-by-Step Unblocking Guide You need the crystals to reach the drain,
| | Avoid if | |--------------|---------------| | Greasy kitchen sink blocks | Complete solid blockage (no water movement at all) | | Soap scum & hair buildup | After using chemical drain cleaners (risk of reaction) | | Slow-draining bathroom sinks | Aluminum or galvanized pipes (prolonged use may corrode) |
A slow-draining or blocked sink is a common household nuisance. Before you reach for harsh chemical drain cleaners (which can damage pipes and harm the environment), try (sodium carbonate, not to be confused with baking soda or caustic soda).
