Chemidose Whether it is liquid dosing or gas dosing, drinking water treatment or process water conditioning, we can help with any stage of deployment. Based in Kent, Chemidose Ltd. is well placed to serve the S Whether it is liquid dosing or gas dosing, drinking water treatment or process water conditioning, we can help with any stage of deployment. Based in Kent, Chemidose Ltd. is well placed to serve the South East but is also able to provide gas and liquid chemical dosing solutions nationally and internationally.