Eureka Anti-Kalk gel is a 4 in 1 water softener which effectively protects washing machine, from salts that accumulate during every wash. Fights against odors and dirt, by eliminating residues and protects all vital parts of the washing machine (heating element, drum, pipes). Protects fabric fibers from becoming stiff and dull, helping them to stay soft. Furthermore, the special ingredient dye-transfer inhibitor protects fabrics from color transfer, thus prolonging the lifetime of your garment!