Pour one cup of soda crystals directly into the plughole. Try to get them as far down the drain as possible.
For stubborn blockages, repeat the process 2–3 times before calling a plumber. Soda Crystals vs. Caustic Soda: Which is Safer? Many people mistakenly buy caustic soda (often labelled as "Drain Cleaner") thinking it is the same as soda crystals. It is not. soda crystals unblock drain
A: Absolutely. For stubborn kitchen sink blockages, leaving a strong solution overnight is the best way to dissolve solidified grease without damaging your pipes. The Verdict: Are Soda Crystals the Best Drain Unblocker? For the average homeowner dealing with a slow sink, a shower trap full of soap scum, or a kitchen drain smelling of rancid fat, yes . Pour one cup of soda crystals directly into the plughole