With Caustic Soda — Cleaning Drain

Always add the granules to water, not water to granules, to avoid a violent eruption. And run cold water for a few minutes after the drain clears to flush everything safely.

It worked like a charm. Within 15–20 minutes of pouring the granules down the drain followed by hot water, the blockage completely cleared. The water drained faster than it had in months. It’s cheap, readily available at hardware stores, and far more effective than most over-the-counter liquid drain cleaners. cleaning drain with caustic soda

For tough, grease-based clogs, caustic soda is incredibly effective. But it’s a last-resort option before calling a plumber. If you’re not comfortable handling a dangerous chemical or have old pipes (especially PVC with poor fittings), I’d think twice. Use it carefully, follow every safety warning, and store it securely away from kids and pets. Always add the granules to water, not water