Doff Orchid concentrated liquid fertiliser concentrated plant food in a handy bottle size. 180ml makes approximately 360 litres of plant watering food. Maintain the health of your Orchids easily by using feed. Use when plants are actively growing during the spring and summer months. Add 5-10 drops of feed per half litre of water and use at every watering or add half a cap to 1 litre of clean water and use every 2 weeks. Orchid Concentrated Plant Feed designed to maintain essential plant health. This balanced feed will bring healthy blooms and green leaves with ease. Size: 180ml Always read the label prior to use.