37 loads. Improved formula. Based on plant and mineral ingredients. Ideal for baby clothes. Fast and complete biodegradability. Phosphate free. No optical brighteners. Minimum impact on aquatic life. Suitable for septic tanks. Tough on dirt, easy on your clothes. Effective Cleaning Ecologically: Ecover has dedicated over 25 years of research into the development of products which use the inherent power of plant and mineral based ingredients to bring you effective, safe washing.