Soda Crystals Unblock — Drain

| Product | Chemical Name | pH | Best for drain cleaning? | | --- | --- | --- | --- | | | Sodium carbonate | ~11 | Excellent on grease and soap scum. | | Baking Soda | Sodium bicarbonate | ~8 | Poor alone; needs vinegar for fizzing action. | | Caustic Soda | Sodium hydroxide | ~14 | Dangerous but effective on fatbergs – can burn pipes and skin. |

Bathroom drains clogged with hair and soap. soda crystals unblock drain

As often as needed. For maintenance, once a week is fine. For a stubborn blockage, you can repeat the overnight method for 2–3 consecutive nights. | Product | Chemical Name | pH | Best for drain cleaning