Types

• Zud is available as a powdered cleanser and as a liquid dispensed in a squeezable container.
  
  

Ingredients

• Zud cleaners contains pumice granules and oxalic acid, according to the Malco's website.
  
  

Size

• Liquid Zud cleaner is available in 19 ounce bottles, while the powdered form comes in two sizes--6 and 16 ounces.
  
  

Benefits

• Zud is an abrasive cleaner that removes rust and other types of mineral stains from metals, porcelain and counter tops, according to Malco.
  
  

Cost

• As of December 2009, the average cost of Zud liquid cleanser is $4.50, while the 16-ounce powder sells between $3.50 and $4.00