Formulated for oranges, lemons, limes and mandarins for healthy growth and good soil condition in the long periods between repotting. Mix 10ml (1 tsp) per litre of clean water, makes 30 litres. Citrus Focus Liquid Concentrated Fertiliser 300 ml. We stock a wide range of plant feeds to suit the needs of all varieties. These easy to use formulations encourage healthy growth of your plants. They require dillution in water and we encourage you to carefully follow the instructions on the label. All available in 300ml concentrates.