Ratshot Grain Bait 500g $28.50 iO Ratshot Blocks BLUE are ready to use baits deadly to mice & rats indoors and out. For the control of Brown or Norway Rates and mice, including those resistant to other anti-coagulants. iO Ratshot Blue employs the active ingredient of Difenacoum, delivering significant advantages to customers in a number of ways including relatively low amounts of bait needed to Kill Rats & Mice. Now the product of choice for customers who need effective control with reduced Risk. Science based formulation. Add to cart