Description Rodex25 Oktablok is an ideal bait for the control of rats and mice in and around buildings and the garden. Block based baits are easy to use and handle, working very well in damp environments. With the new rat poison legislation coming into force from 1 march 2018, this is the largest single pack available for non-certified pest control. Please always use in-conjunction with rat bait stations to keep your poison secure, avoiding non-target species such as birds, pets and even children. Contains bromadiolone 0.0025% w/w and denatonium benzoate 0.001% w/w. Rodex25 Oktablok II Usage Small mouse infestation: 1 block Large mouse infestation: 2 blocks Small rat infestation: 2-3 blocks Large rat infestation: 4 blocks This pack contains approximately 15 blocks at 20 grams each.