False. Boiling water can warp plastic pipes (like the P-trap under your sink) and crack porcelain sinks. Hot tap water is sufficient to dissolve soda crystals and melt grease.
Many people confuse the two. While they are related, they are not the same.
People often confuse these three white powders. Here is the clear difference: soda crystals unblock drain
| Product | Chemical Name | pH | Best for drain cleaning? | | --- | --- | --- | --- | | Soda Crystals | 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. |
If you want a safe, repeatable DIY method, soda crystals to unblock drain is the optimal choice. Caustic soda is for emergencies only. Baking soda is better for deodorizing than unblocking. People often confuse these three white powders
Once your drain is clear, keep it that way:
Using soda crystals is often safer and cheaper than commercial drain unblockers. Here is why they are a homeowner favorite: Pour a generous amount of soda crystals directly
Pour a generous amount of soda crystals directly down the plughole. For a standard kitchen sink, aim for about half a cup (approx. 100g). If the drain is particularly slow, you can use a full cup.
Soda crystals are miraculous, but they are not a cure-all. Do not rely on them for:
Carefully pour a kettle full of boiling water down the drain immediately after the crystals. The hot water helps to dissolve the crystals and melt the grease that is causing the blockage.