• Ensure water level is low (remove excess water if necessary.)
• Pour hot water into the toilet bowl
• The heat dissolves fat or grease build up whilst the wter pressure can help remove a blockage
• Adding a small amount of washing up liquid can also help remove the blockage.

Manually remove the stagnant water.

Lubricate the waste outlet by pouring a small amount of washing-up liquid (less than half a glass) into the toilet bowl. 

Leave for 10 minutes.