Brunnings All Purpose NPK Fertiliser is a premium, fully granular NPK complex fertiliser that contains both slow release and fast acting ingredients for quick results and extended feeding. Ideal for use on indoor and outdoor potted plants and most garden applications (except native plants). Contains trace elements. Chloride free with little or no salt residue. Non-acidifying formulation does not alter PH of soils. Free flowing and dust free - making it easy to clean and use.