Marie Hollingworth agreed: “Icing sugar mixed with a bit of baking soda, they eat the sugar and the baking soda swells inside them and kills them.”
Nadine Fletcher commented: “Baking soda and icing sugar, spread along their path and leave it there for a few days.
“Really works well and it’s the cheapest method I’ve found.”
Michelle Lever suggested: “A combination of icing sugar and baking soda works so well.
“The baking soda helps to dry out the ants, which ends up killing them, while the icing sugar draws ants in.”