Outside Drain Blocked With Fat

This is the most effective first step for melting solidified grease. Mix a generous amount of washing-up liquid (like Fairy Liquid ) with a full kettle of boiling water.

: This is the best first move. Pouring boiling water down the drain helps melt and soften the hardened fat. It's a simple, heat-based solution that can often shift minor clogs. Baking Soda and Vinegar outside drain blocked with fat