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You don't need insecticides or ant traps to ant-proof your kitchen. Just give it the lemon treatment. First squirt some lemon juice on door thresholds and windowsills. Then squeeze lemon juice into any holes or cracks where the ants are getting in.
1 Sprinkle the powder at the entry points. 2  Table salt. 3  This is the best and the cheapest way to get rid of ants. 4  Boil water and add salt to it. 5  Pour salty water into a spray bottle and spread in places, where you usually see the ants. 6  Pepper. 7  It is as effective as salt.