The A1 chemicals range of insecticides and chemicals for use in horticulture have been designed and manufactured to be user friendly and safer for pets and the environment. Our horticultural chemicals include soil treatments, weed killers, algae control chemicals, fertilisers, wetting agents and sanitising chemicals for use in food processing industries. Our insecticides include solvent based and water based insecticides, insecticides for indoor and outdoor applications, rat poison and insect repellents.