Tui Performance Naturals Citrus & Fruit Liquid Fertiliser gives you the power of synthetics with a performance that is all natural. Citrus & Fruit Fertiliser delivers fantastic results, formulated using NatureN, a fast-acting natural ingredient that’s super rich in nutrients. Use throughout your garden, and in pots and containers to get your citrus growing happy and healthy. Apply every two weeks during the key growth periods of spring, summer and autumn. Do not use if temperatures are expected to exceed 30 degrees Celsius. May contain minor non-natural impurities due to manufacturing process.