Farm Rapid Milkstone Remover. Effective in the removal of milkstone and water deposits. Can be used in pipeline machines and bucket plants. Also Removes rust and iron stains. Farm Rapid Milkstone Remover is an effective product in the removal and prevention of milkstone and water deposits. This phosphoric acid based descaler can be used in hot or cold solutions. As well as its main purpose this product removes rust and iron stains. Can be used in. This Product comes come in two sizes of 5L & 25L. We offer paint from all the established brands as well as ones manufactured at our own establishment; whether you require hard wearing agricultural, industrial and decorative paints to wood paints and all the accessories to carry out the project.