Current density/As high as possible without burning the deposit Operating conditions Boric Acid (free)/25 g/l Stannous Tin/81 g/l Peptone (dry basis)/5 g/l Beta Naphthol/1 g/l Fluoboric Acid (free)/100 g/l Stannous Fluoborate/200 g/l Temperature (F)/70-120 Agitation/Mechanical Hydroquinone/1 g/l Anodes/Pure cast tin bagged with Dynel or polypropylene