You can't beat tried and tested methods. And when it comes to cleaning, Wilko's original soda crystals 1.5kg 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 remove unsightly moss and algae from garden patios. View our full range of traditional cleaning and laundry products.