NRG Bitter Biter 500mlAvert fence munching with the most bitter taste, NRG Bitter Biter. NRG Bitter Biter is a quick drying water based emulsion designed to paint on timber surfaces where your animals love to chew. Key Benefits The most bitter taste Does not contain capsicum Does not return positive swab Quick drying Water based emulsion Permanently dries clear Water resistant qualities Assist in protecting timber Lasts for month so no need to keep reapplying on a regular