Combine all ingredients in spray bottle. Close TIGHTLY (nozzle too) and shake to blend. If the nozzle is left open, it may "spit" solution as the bicarb and vinegar interact. Spray on worktops, stove, cabinet fronts etc., wipe with damp cloth or sponge. The essential oils keep ants at bay. We were being taken over by black ants and after wiping down my surfaces with this, they've moved on to pastures new.