Product Description Eraza Zero is a blue pellet containing Ferric Phosphate. The pellets can be used as a bait for the control of slugs on bare ground and around all edible and non-edible crops grown outdoors, in the green house or under other permanent or temporary cover. Contains Ferric Phosphate for effective slug and snail control. Blue in colour to deture birds and other wildlife. Slugs and snails break down naturally in soil after consuming and turn into fertiliser.