Iron(II) sulfate was used in the textile industry for centuries as a dye fixative. It is used historically to blacken leather and as a constituent of ink. The preparation of sulfuric acid ('oil of vitriol') by the distillation of green vitriol (Iron(II) sulfate) has been known for at least 700 years. Together with other iron compounds, ferrous sulfate is used to fortify foods and to treat and prevent iron deficiency anemia. Constipation is a frequent and uncomfortable side effect associated with the administration of oral iron supplements. Stool softeners often are prescribed to prevent constipation. Ferrous sulfate was used in the manufacture
Her Name Is Calla by two UK tours and two European tours and single "Ragman Roll". While the response to the Navigator was viewed positively by critics, it lacked the wider appeal witnessed with its predecessor. In 2015, celebrating a decade of the playing together, the band released a short documentary entitled ‘’A Wave of Endorphins’’; a title inspired by the popular track "Pour More Oil" which appeared on The Quiet Lamb. Lead vocalist Tom Morris has released music as a solo artist under the name T E Morris, as does multi-instrumentalist Adam Weikert as 'Weikie'. Her Name Is Calla Her Name Is Calla