Ecodoo washing up liquid is a concentrated formula based on vegetable active ingredients Useful 5L Refill size Perfumed with organic essential oils with a Verbana fragrance 100% pure and natural Bottle made from 100% recycled materials Gentle for the hands Cleans, degreases and makes the dishes shine Suitable for septic tanks Free from colours and synthetic perfume How to use: 10ml for about 10 litres of water, 20ml for very dirty dishes. Ecodoo Eco-Friendly Gentle Washing Up Liquid - 5L is part of the ­­range of Ecodoo eco-friendly dishwashing products. Ecodoo dishwashing products are gentle on dishes, but are by no means gentle on grease and grime! Their range of eco dishwasher care products also includes gel, tablets, rinse aid and salts to keep your dishwasher performing at its best. Explore the full range of popular Ecodoo products, including household cleaning essentials and Ecodoo laundry products, available from Big Green Smile.