On April 23, 1516 the Ducal brothers Wilhelm IV and Ludwig X issued a decree often known as the “Reinheitsgebot,” or “Purity Legislation.” This set an stop into the adulteration of beer. From then on, only barley (along with the malt made from it), hops and water could be utilised https://vawoo.com.au/product-category/iget-bar-pro/