You cant beat tried and tested methods and when it comes to cleaning wilkos original soda crystals 15kg are tried tested traditional and take some beating simply dissolve in the correct amount of warm water and enjoy de greasing limescale removing and water softening results soda crystals are renowned for their ability to remove stains and dirt from grubby clothes but they can also shift burnt on food from pots and pans keep sinks and drains smelling fresh and blockage free and remov