Nothing works better on roaches than boric acid! And Roach Prufe works better than other boric acid formulations. Roach Prufe's unique formula gives you long-term results superior to those from other boric acid formulations, straight boric acid, and the organic insecticides. Field tests confirm that Roach Prufe's formulation, which gives the boric acid a light bluish color and a bitter taste (to reduce the chance of the powder being eaten by small children) actually increases the effectiveness! Don't use anything else!
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