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Formula 'C' is a fast-acting insecticidal silverfish spray with a rapid knockdown effect. As well as killing silverfish on contact, Formula 'C' offers long-lasting residual protection, helping maintain silverfish control for up to 12 weeks. Pest Expert Formula 'P' Silverfish Powder is a highly effective Silverfish killer suitable for Silverfish control in hard to reach areas and around electrical cabling. As silverfish are mainly active at night time, the best measures are prevention not only cure, Formula P contains the active permethrin, a broad spectrum insecticide, which will maintain its killing power for up to 12 weeks, ensuring that night or day your silverfish infestation will be in rapid decline. Both the spray and powder can be applied to carets and other surfaces for effective long-term control effective control of silverfish. Formula 'C' and Formula 'P' are both professional strength broad spectrum insecticides containing cypermethrin and permethrin set at the maximum legal limit for amateur use. Formula 'C' is low-odour and free from solvents, so it is perfectly suitable for use in homes with children and/or pets, provided they are kept out of the area being treated until all surfaces are dry (2-3 hours). A one litre trigger spray will treat an area of approximately 20 square metres. Formula P is a contact insecticide targeting all stages of the life cycle for various insect pests. As silverfish feed not only on food debris but also on starches and gums used to bind books and wood, they can often be found in homes, particularly in areas where using a water based spray would not be suitable such as around electrical cabling, electrical equipment and freshly laid woodwork.
