If the water drains slowly but isn't clear, you can repeat the process once more. Important Warnings
: Open windows or turn on the extractor fan, as the reaction produces heat and fumes. Step-by-Step Guide Prepare the Solution : unblock toilet caustic soda
A severely blocked toilet—one that doesn’t respond to a plunger or hot water—can be frustrating. Caustic soda (sodium hydroxide) is a potent chemical cleaner that can dissolve organic clogs like waste, toilet paper, and hair. However, it’s extremely dangerous if mishandled. Use this method only as a last resort and with extreme care. If the water drains slowly but isn't clear,