Caustic Soda For Blocked Toilet Upd 📌

You cannot pour caustic soda into a toilet full to the brim. Use an old cup or scoop to remove most of the standing water into a bucket (dispose of this dirty water outside or down a sink after the toilet is fixed).

Once the drain is flowing, flush the toilet three times to ensure all caustic residue is gone. Do not urinate in the toilet for an hour (urine is acidic and can react with remaining lye to release fumes). caustic soda for blocked toilet