Safer's BTK 100ml
A liquid form of BT (Bacillus Thuringiensis), a bacterial organism which kills caterpillars. It is non-toxic to animals, beneficial insects, birds, or fish. It kills Cabbage worms, Cabbage Loppers, Tomato Hornworms, Spruce Budworm, Tent Caterpillars, Gypsy Moths, and Canker Worms. Dose 3ml per litre. 100ml concentrate.