Unblock Toilet Caustic - Soda

Here’s a clear, informative write-up on using caustic soda (sodium hydroxide) to unblock a toilet, including safety warnings and proper steps.

Excessive amounts can generate intense heat (reaching over 93°C/200°F), which may warp plastic PVC pipes or crack older ceramic bowls. Step-by-Step Guide to Unblocking Your Toilet unblock toilet caustic soda

Do not add more caustic soda or another chemical. Call a plumber – repeated chemical attacks can crack porcelain or damage pipes. Here’s a clear, informative write-up on using caustic