The main active ingredients of the Sonett Tablets for Dishwashers are sodium carbonate, silicates and sulphated castor oil. They make food left-overs swell, emulsify and dissolve fat. Bleaching oxygen (sodium percarbonate) serves for removing tea and coffee residues from glasses and cups. Citrate, sodium gluconate, carboxymethyl inulin and tetrasodium glutamate diacetate effectively bind hard water residue in dishwashing water. Easy and convenient to use. As with all Sonett prodcts the ingredients are completely biodegradable. Free from chlorine, phosphates, enzymes and aromas. 100% bio-degradable. 25 x 20g (total box weight 500g). Sonett Dishwasher Tablets - 25 is part of the range of Sonett 100% biodegradable dishwashing products. Find a variety of dishcare products from Sonett, for both handwashing and the dishwasher. Have your dishes coming out sparkling clean and germ-free with Sonett\'s range of dishwasher tablets, gels and powder, and not forgetting the rinse-aid! Explore the full range of popular Sonett products, including household cleaning essentials and Sonett sensitive products, available from Big Green Smile.